12720714031 has 4 divisors (see below), whose sum is σ = 12730900000. Its totient is φ = 12710528064.

The previous prime is 12720713969. The next prime is 12720714053. The reversal of 12720714031 is 13041702721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13041702721 = 1069 ⋅12199909.

It is a cyclic number.

It is not a de Polignac number, because 12720714031 - 2¹⁵ = 12720681263 is a prime.

It is a super-2 number, since 2×12720714031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12720714631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5091111 + ... + 5093608.

It is an arithmetic number, because the mean of its divisors is an integer number (3182725000).

Almost surely, 2^12720714031 is an apocalyptic number.

12720714031 is a deficient number, since it is larger than the sum of its proper divisors (10185969).

12720714031 is a wasteful number, since it uses less digits than its factorization.

12720714031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10185968.

The product of its (nonzero) digits is 2352, while the sum is 28.

The spelling of 12720714031 in words is "twelve billion, seven hundred twenty million, seven hundred fourteen thousand, thirty-one".