120102212100 has 144 divisors (see below), whose sum is σ = 382929643712. Its totient is φ = 28876055040.

The previous prime is 120102212039. The next prime is 120102212123. The reversal of 120102212100 is 1212201021.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 190387 + ... + 525786.

Almost surely, 2^120102212100 is an apocalyptic number.

120102212100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120102212100 is an abundant number, since it is smaller than the sum of its proper divisors (262827431612).

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

120102212100 is a wasteful number, since it uses less digits than its factorization.

120102212100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716246 (or 716239 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 120102212100 its reverse (1212201021), we get a palindrome (121314413121).

The spelling of 120102212100 in words is "one hundred twenty billion, one hundred two million, two hundred twelve thousand, one hundred".