213120310012 has 12 divisors (see below), whose sum is σ = 373469361496. Its totient is φ = 106414778160.

The previous prime is 213120309977. The next prime is 213120310031. The reversal of 213120310012 is 210013021312.

It is a super-2 number, since 2×213120310012² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36340914 + ... + 36346777.

Almost surely, 2^213120310012 is an apocalyptic number.

It is an amenable number.

213120310012 is a deficient number, since it is larger than the sum of its proper divisors (160349051484).

213120310012 is a wasteful number, since it uses less digits than its factorization.

213120310012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72688428 (or 72688426 counting only the distinct ones).

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

Adding to 213120310012 its reverse (210013021312), we get a palindrome (423133331324).

The spelling of 213120310012 in words is "two hundred thirteen billion, one hundred twenty million, three hundred ten thousand, twelve".