12620075563831 has 2 divisors, whose sum is σ = 12620075563832. Its totient is φ = 12620075563830.

The previous prime is 12620075563801. The next prime is 12620075563867. The reversal of 12620075563831 is 13836557002621.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12620075563831 - 2⁷ = 12620075563703 is a prime.

It is a super-2 number, since 2×12620075563831² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12620075563801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6310037781915 + 6310037781916.

It is an arithmetic number, because the mean of its divisors is an integer number (6310037781916).

Almost surely, 2^{12620075563831} is an apocalyptic number.

12620075563831 is a deficient number, since it is larger than the sum of its proper divisors (1).

12620075563831 is an equidigital number, since it uses as much as digits as its factorization.

12620075563831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1814400, while the sum is 49.

The spelling of 12620075563831 in words is "twelve trillion, six hundred twenty billion, seventy-five million, five hundred sixty-three thousand, eight hundred thirty-one".