12392865031 has 2 divisors, whose sum is σ = 12392865032. Its totient is φ = 12392865030.

The previous prime is 12392864993. The next prime is 12392865047. The reversal of 12392865031 is 13056829321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12392865031 - 2¹¹ = 12392862983 is a prime.

It is a super-2 number, since 2×12392865031² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12392865131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6196432515 + 6196432516.

It is an arithmetic number, because the mean of its divisors is an integer number (6196432516).

Almost surely, 2^12392865031 is an apocalyptic number.

12392865031 is a deficient number, since it is larger than the sum of its proper divisors (1).

12392865031 is an equidigital number, since it uses as much as digits as its factorization.

12392865031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 40.

The spelling of 12392865031 in words is "twelve billion, three hundred ninety-two million, eight hundred sixty-five thousand, thirty-one".