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12101200032 = 2531729325307
BaseRepresentation
bin10110100010100100…
…11010100010100000
31011020100112122200210
423101102122202200
5144240401400112
65320442414120
7605610334365
oct132122324240
934210478623
1012101200032
11514a8a2769
122418801340
1311ab1085bc
1482b24246c
154ac5b0b3c
hex2d149a8a0

12101200032 has 96 divisors (see below), whose sum is σ = 33750343872. Its totient is φ = 3783348224.

The previous prime is 12101200031. The next prime is 12101200043. The reversal of 12101200032 is 23000210121.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 12101199990 and 12101200017.

It is not an unprimeable number, because it can be changed into a prime (12101200031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 465523 + ... + 490829.

It is an arithmetic number, because the mean of its divisors is an integer number (351566082).

Almost surely, 212101200032 is an apocalyptic number.

12101200032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12101200032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16875171936).

12101200032 is an abundant number, since it is smaller than the sum of its proper divisors (21649143840).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12101200032 is a wasteful number, since it uses less digits than its factorization.

12101200032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25630 (or 25622 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 12101200032 its reverse (23000210121), we get a palindrome (35101410153).

The spelling of 12101200032 in words is "twelve billion, one hundred one million, two hundred thousand, thirty-two".

Divisors: 1 2 3 4 6 8 12 16 17 24 32 34 48 51 68 96 102 136 204 272 293 408 544 586 816 879 1172 1632 1758 2344 3516 4688 4981 7032 9376 9962 14064 14943 19924 25307 28128 29886 39848 50614 59772 75921 79696 101228 119544 151842 159392 202456 239088 303684 404912 430219 478176 607368 809824 860438 1214736 1290657 1720876 2429472 2581314 3441752 5162628 6883504 7414951 10325256 13767008 14829902 20650512 22244853 29659804 41301024 44489706 59319608 88979412 118639216 126054167 177958824 237278432 252108334 355917648 378162501 504216668 711835296 756325002 1008433336 1512650004 2016866672 3025300008 4033733344 6050600016 12101200032