213311012120 has 16 divisors (see below), whose sum is σ = 479949777360. Its totient is φ = 85324404832.

The previous prime is 213311012077. The next prime is 213311012137. The reversal of 213311012120 is 21210113312.

213311012120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2666387612 + ... + 2666387691.

It is an arithmetic number, because the mean of its divisors is an integer number (29996861085).

Almost surely, 2^213311012120 is an apocalyptic number.

213311012120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213311012120 is an abundant number, since it is smaller than the sum of its proper divisors (266638765240).

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

213311012120 is a wasteful number, since it uses less digits than its factorization.

213311012120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5332775314 (or 5332775310 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 213311012120 its reverse (21210113312), we get a palindrome (234521125432).

The spelling of 213311012120 in words is "two hundred thirteen billion, three hundred eleven million, twelve thousand, one hundred twenty".