120012210000100 has 72 divisors (see below), whose sum is σ = 284335079077728. Its totient is φ = 43604943820800.

The previous prime is 120012210000041. The next prime is 120012210000127. The reversal of 120012210000100 is 1000012210021.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43485462 + ... + 46162861.

It is an arithmetic number, because the mean of its divisors is an integer number (3949098320524).

Almost surely, 2^{120012210000100} is an apocalyptic number.

120012210000100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120012210000100 is an abundant number, since it is smaller than the sum of its proper divisors (164322869077628).

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

120012210000100 is a wasteful number, since it uses less digits than its factorization.

120012210000100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89649565 (or 89649558 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 120012210000100 its reverse (1000012210021), we get a palindrome (121012222210121).

The spelling of 120012210000100 in words is "one hundred twenty trillion, twelve billion, two hundred ten million, one hundred", and thus it is an aban number.