12516419323 has 2 divisors, whose sum is σ = 12516419324. Its totient is φ = 12516419322.

The previous prime is 12516419249. The next prime is 12516419369. The reversal of 12516419323 is 32391461521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12516419323 - 2²⁹ = 11979548411 is a prime.

It is not a weakly prime, because it can be changed into another prime (12516419393) 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, 6258209661 + 6258209662.

It is an arithmetic number, because the mean of its divisors is an integer number (6258209662).

Almost surely, 2^12516419323 is an apocalyptic number.

12516419323 is a deficient number, since it is larger than the sum of its proper divisors (1).

12516419323 is an equidigital number, since it uses as much as digits as its factorization.

12516419323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38880, while the sum is 37.

The spelling of 12516419323 in words is "twelve billion, five hundred sixteen million, four hundred nineteen thousand, three hundred twenty-three".