213103013112 has 96 divisors (see below), whose sum is σ = 629861132160. Its totient is φ = 64552200000.

The previous prime is 213103013099. The next prime is 213103013113. The reversal of 213103013112 is 211310301312.

213103013112 is a `hidden beast` number, since 21 + 31 + 0 + 301 + 311 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213103013113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2097487 + ... + 2196737.

It is an arithmetic number, because the mean of its divisors is an integer number (6561053460).

Almost surely, 2^213103013112 is an apocalyptic number.

213103013112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

213103013112 is an abundant number, since it is smaller than the sum of its proper divisors (416758119048).

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

213103013112 is a wasteful number, since it uses less digits than its factorization.

213103013112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101985 (or 101978 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 213103013112 its reverse (211310301312), we get a palindrome (424413314424).

The spelling of 213103013112 in words is "two hundred thirteen billion, one hundred three million, thirteen thousand, one hundred twelve".