213010112556 has 60 divisors (see below), whose sum is σ = 559282366720. Its totient is φ = 70693287840.

The previous prime is 213010112533. The next prime is 213010112573. The reversal of 213010112556 is 655211010312.

213010112556 is a `hidden beast` number, since 2 + 1 + 3 + 0 + 101 + 1 + 2 + 556 = 666.

It is a super-2 number, since 2×213010112556² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1361260 + ... + 1509651.

Almost surely, 2^213010112556 is an apocalyptic number.

It is an amenable number.

213010112556 is an abundant number, since it is smaller than the sum of its proper divisors (346272254164).

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

213010112556 is a wasteful number, since it uses less digits than its factorization.

213010112556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2871156 (or 2871145 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

Adding to 213010112556 its reverse (655211010312), we get a palindrome (868221122868).

The spelling of 213010112556 in words is "two hundred thirteen billion, ten million, one hundred twelve thousand, five hundred fifty-six".