10120100120 has 32 divisors (see below), whose sum is σ = 24521782320. Its totient is φ = 3736652160.

The previous prime is 10120100099. The next prime is 10120100147. The reversal of 10120100120 is 2100102101.

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 = 10120100098 and 10120100107.

It is a congruent number.

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, 9730346 + ... + 9731385.

Almost surely, 2^10120100120 is an apocalyptic number.

10120100120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10120100120 is an abundant number, since it is smaller than the sum of its proper divisors (14401682200).

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

10120100120 is a wasteful number, since it uses less digits than its factorization.

10120100120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19461755 (or 19461751 counting only the distinct ones).

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

Adding to 10120100120 its reverse (2100102101), we get a palindrome (12220202221).

The spelling of 10120100120 in words is "ten billion, one hundred twenty million, one hundred thousand, one hundred twenty".