210120012210 has 64 divisors (see below), whose sum is σ = 527144878080. Its totient is φ = 53538114240.

The previous prime is 210120012199. The next prime is 210120012251. The reversal of 210120012210 is 12210021012.

210120012210 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×210120012210² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1356502 + ... + 1503441.

It is an arithmetic number, because the mean of its divisors is an integer number (8236638720).

Almost surely, 2^210120012210 is an apocalyptic number.

210120012210 is an abundant number, since it is smaller than the sum of its proper divisors (317024865870).

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

210120012210 is a wasteful number, since it uses less digits than its factorization.

210120012210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2860063.

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

Adding to 210120012210 its reverse (12210021012), we get a palindrome (222330033222).

The spelling of 210120012210 in words is "two hundred ten billion, one hundred twenty million, twelve thousand, two hundred ten".