120212112090 has 64 divisors (see below), whose sum is σ = 336453753600. Its totient is φ = 27477051840.

The previous prime is 120212112089. The next prime is 120212112157. The reversal of 120212112090 is 90211212021.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5830921 + ... + 5851500.

It is an arithmetic number, because the mean of its divisors is an integer number (5257089900).

Almost surely, 2^120212112090 is an apocalyptic number.

120212112090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120212112090 is an abundant number, since it is smaller than the sum of its proper divisors (216241641510).

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

120212112090 is a wasteful number, since it uses less digits than its factorization.

120212112090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11682452 (or 11682438 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 21.

The spelling of 120212112090 in words is "one hundred twenty billion, two hundred twelve million, one hundred twelve thousand, ninety".