10012100120 has 64 divisors (see below), whose sum is σ = 24587677440. Its totient is φ = 3638908800.

The previous prime is 10012100117. The next prime is 10012100143. The reversal of 10012100120 is 2100121001.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a junction number, because it is equal to n+sod(n) for n = 10012100098 and 10012100107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1096775 + ... + 1105865.

It is an arithmetic number, because the mean of its divisors is an integer number (384182460).

Almost surely, 2^10012100120 is an apocalyptic number.

10012100120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10012100120 is an abundant number, since it is smaller than the sum of its proper divisors (14575577320).

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

10012100120 is a wasteful number, since it uses less digits than its factorization.

10012100120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11616 (or 11612 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 10012100120 its reverse (2100121001), we get a palindrome (12112221121).

The spelling of 10012100120 in words is "ten billion, twelve million, one hundred thousand, one hundred twenty".