100012305552 has 40 divisors (see below), whose sum is σ = 258712947264. Its totient is φ = 33292554624.

The previous prime is 100012305521. The next prime is 100012305581. The reversal of 100012305552 is 255503210001.

It is a happy number.

It is a super-2 number, since 2×100012305552² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1366483 + ... + 1437810.

Almost surely, 2^100012305552 is an apocalyptic number.

100012305552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100012305552 is an abundant number, since it is smaller than the sum of its proper divisors (158700641712).

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

100012305552 is a wasteful number, since it uses less digits than its factorization.

100012305552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2805047 (or 2805041 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

Adding to 100012305552 its reverse (255503210001), we get a palindrome (355515515553).

The spelling of 100012305552 in words is "one hundred billion, twelve million, three hundred five thousand, five hundred fifty-two".