213133012120 has 64 divisors (see below), whose sum is σ = 548724456000. Its totient is φ = 72985090560.

The previous prime is 213133012097. The next prime is 213133012151. The reversal of 213133012120 is 21210331312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 233695 + ... + 693454.

It is an arithmetic number, because the mean of its divisors is an integer number (8573819625).

Almost surely, 2^213133012120 is an apocalyptic number.

213133012120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213133012120 is an abundant number, since it is smaller than the sum of its proper divisors (335591443880).

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

213133012120 is a wasteful number, since it uses less digits than its factorization.

213133012120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 927988 (or 927984 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 213133012120 its reverse (21210331312), we get a palindrome (234343343432).

The spelling of 213133012120 in words is "two hundred thirteen billion, one hundred thirty-three million, twelve thousand, one hundred twenty".