12426231302613 has 6 divisors (see below), whose sum is σ = 17949000770454. Its totient is φ = 8284154201736.

The previous prime is 12426231302591. The next prime is 12426231302627. The reversal of 12426231302613 is 31620313262421.

12426231302613 is a `hidden beast` number, since 1 + 2 + 4 + 2 + 6 + 2 + 3 + 1 + 30 + 2 + 613 = 666.

12426231302613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 10918153973169 + 1508077329444 = 3304263^2 + 1228038^2 .

It is not a de Polignac number, because 12426231302613 - 2⁶ = 12426231302549 is a prime.

It is a super-2 number, since 2×12426231302613² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12426231302663) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 690346183470 + ... + 690346183487.

It is an arithmetic number, because the mean of its divisors is an integer number (2991500128409).

Almost surely, 2^{12426231302613} is an apocalyptic number.

It is an amenable number.

12426231302613 is a deficient number, since it is larger than the sum of its proper divisors (5522769467841).

12426231302613 is a wasteful number, since it uses less digits than its factorization.

12426231302613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1380692366963 (or 1380692366960 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The spelling of 12426231302613 in words is "twelve trillion, four hundred twenty-six billion, two hundred thirty-one million, three hundred two thousand, six hundred thirteen".