212013020131 has 32 divisors (see below), whose sum is σ = 246519313920. Its totient is φ = 180443577600.

The previous prime is 212013020123. The next prime is 212013020147. The reversal of 212013020131 is 131020310212.

It is not a de Polignac number, because 212013020131 - 2³ = 212013020123 is a prime.

It is a super-2 number, since 2×212013020131² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (212013020161) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2375625 + ... + 2463253.

It is an arithmetic number, because the mean of its divisors is an integer number (7703728560).

Almost surely, 2^212013020131 is an apocalyptic number.

212013020131 is a deficient number, since it is larger than the sum of its proper divisors (34506293789).

212013020131 is a wasteful number, since it uses less digits than its factorization.

212013020131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87867.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 212013020131 its reverse (131020310212), we get a palindrome (343033330343).

The spelling of 212013020131 in words is "two hundred twelve billion, thirteen million, twenty thousand, one hundred thirty-one".