100312320120 has 64 divisors (see below), whose sum is σ = 301083156000. Its totient is φ = 26736956928.

The previous prime is 100312320077. The next prime is 100312320131. The reversal of 100312320120 is 21023213001.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 100312320120.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46266 + ... + 450294.

Almost surely, 2^100312320120 is an apocalyptic number.

100312320120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100312320120 is an abundant number, since it is smaller than the sum of its proper divisors (200770835880).

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

100312320120 is a wasteful number, since it uses less digits than its factorization.

100312320120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406112 (or 406108 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 100312320120 its reverse (21023213001), we get a palindrome (121335533121).

The spelling of 100312320120 in words is "one hundred billion, three hundred twelve million, three hundred twenty thousand, one hundred twenty".