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12100231122 = 237476129803
BaseRepresentation
bin10110100010011101…
…01101111111010010
31011020021201102121020
423101032231333102
5144240124343442
65320405540310
7605566160520
oct132116557722
934207642536
1012100231122
11514a2a0811
122418414696
1311aab59595
1482b06d310
154ac46d9ec
hex2d13adfd2

12100231122 has 32 divisors (see below), whose sum is σ = 28246136832. Its totient is φ = 3383650704.

The previous prime is 12100231097. The next prime is 12100231123. The reversal of 12100231122 is 22113200121.

It is not an unprimeable number, because it can be changed into a prime (12100231123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3062928 + ... + 3066875.

It is an arithmetic number, because the mean of its divisors is an integer number (882691776).

Almost surely, 212100231122 is an apocalyptic number.

12100231122 is an abundant number, since it is smaller than the sum of its proper divisors (16145905710).

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

12100231122 is a wasteful number, since it uses less digits than its factorization.

12100231122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6129862.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 12100231122 its reverse (22113200121), we get a palindrome (34213431243).

The spelling of 12100231122 in words is "twelve billion, one hundred million, two hundred thirty-one thousand, one hundred twenty-two".

Divisors: 1 2 3 6 7 14 21 42 47 94 141 282 329 658 987 1974 6129803 12259606 18389409 36778818 42908621 85817242 128725863 257451726 288100741 576201482 864302223 1728604446 2016705187 4033410374 6050115561 12100231122