212013203130 has 48 divisors (see below), whose sum is σ = 583659881064. Its totient is φ = 53211156480.

The previous prime is 212013203117. The next prime is 212013203159. The reversal of 212013203130 is 31302310212.

212013203130 is a `hidden beast` number, since 212 + 0 + 1 + 320 + 3 + 130 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 180457588809 + 31555614321 = 424803^2 + 177639^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69283831 + ... + 69286890.

Almost surely, 2^212013203130 is an apocalyptic number.

212013203130 is an abundant number, since it is smaller than the sum of its proper divisors (371646677934).

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

212013203130 is a wasteful number, since it uses less digits than its factorization.

212013203130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138570751 (or 138570748 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 212013203130 its reverse (31302310212), we get a palindrome (243315513342).

The spelling of 212013203130 in words is "two hundred twelve billion, thirteen million, two hundred three thousand, one hundred thirty".