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12412200100 = 22522917923911
BaseRepresentation
bin10111000111101001…
…10010010010100100
31012001000202002120211
423203310302102210
5200410010400400
65411352305204
7616404650206
oct134364622244
935030662524
1012412200100
11529a3aa713
1224a49a2204
13122a688201
1485a67a776
154c9a43dba
hex2e3d324a4

12412200100 has 72 divisors (see below), whose sum is σ = 28020081600. Its totient is φ = 4766697600.

The previous prime is 12412200083. The next prime is 12412200109. The reversal of 12412200100 is 100221421.

It is a happy number.

It is a super-2 number, since 2×124122001002 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12412200109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 507145 + ... + 531055.

It is an arithmetic number, because the mean of its divisors is an integer number (389167800).

Almost surely, 212412200100 is an apocalyptic number.

12412200100 is a gapful number since it is divisible by the number (10) 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 12412200100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14010040800).

12412200100 is an abundant number, since it is smaller than the sum of its proper divisors (15607881500).

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

12412200100 is a wasteful number, since it uses less digits than its factorization.

12412200100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24133 (or 24126 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 12412200100 its reverse (100221421), we get a palindrome (12512421521).

The spelling of 12412200100 in words is "twelve billion, four hundred twelve million, two hundred thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 29 50 58 100 116 145 179 290 358 580 716 725 895 1450 1790 2900 3580 4475 5191 8950 10382 17900 20764 23911 25955 47822 51910 95644 103820 119555 129775 239110 259550 478220 519100 597775 693419 1195550 1386838 2391100 2773676 3467095 4280069 6934190 8560138 13868380 17120276 17335475 21400345 34670950 42800690 69341900 85601380 107001725 124122001 214003450 248244002 428006900 496488004 620610005 1241220010 2482440020 3103050025 6206100050 12412200100