12498620531 has 2 divisors, whose sum is σ = 12498620532. Its totient is φ = 12498620530.

The previous prime is 12498620447. The next prime is 12498620557. The reversal of 12498620531 is 13502689421.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12498620531 is a prime.

It is a super-2 number, since 2×12498620531² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (12498620581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6249310265 + 6249310266.

It is an arithmetic number, because the mean of its divisors is an integer number (6249310266).

Almost surely, 2^12498620531 is an apocalyptic number.

12498620531 is a deficient number, since it is larger than the sum of its proper divisors (1).

12498620531 is an equidigital number, since it uses as much as digits as its factorization.

12498620531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 41.

The spelling of 12498620531 in words is "twelve billion, four hundred ninety-eight million, six hundred twenty thousand, five hundred thirty-one".