120021012210 has 64 divisors (see below), whose sum is σ = 315028704384. Its totient is φ = 29022681600.

The previous prime is 120021012149. The next prime is 120021012227. The reversal of 120021012210 is 12210120021.

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, 327051 + ... + 589070.

It is an arithmetic number, because the mean of its divisors is an integer number (4922323506).

Almost surely, 2^120021012210 is an apocalyptic number.

120021012210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120021012210 is an abundant number, since it is smaller than the sum of its proper divisors (195007692174).

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

120021012210 is a wasteful number, since it uses less digits than its factorization.

120021012210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916539.

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

Adding to 120021012210 its reverse (12210120021), we get a palindrome (132231132231).

The spelling of 120021012210 in words is "one hundred twenty billion, twenty-one million, twelve thousand, two hundred ten".