12651501504139 has 2 divisors, whose sum is σ = 12651501504140. Its totient is φ = 12651501504138.

The previous prime is 12651501504053. The next prime is 12651501504181. The reversal of 12651501504139 is 93140510515621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12651501504139 - 2¹³ = 12651501495947 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12651501504095 and 12651501504104.

It is not a weakly prime, because it can be changed into another prime (12651501544139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6325750752069 + 6325750752070.

It is an arithmetic number, because the mean of its divisors is an integer number (6325750752070).

Almost surely, 2^{12651501504139} is an apocalyptic number.

12651501504139 is a deficient number, since it is larger than the sum of its proper divisors (1).

12651501504139 is an equidigital number, since it uses as much as digits as its factorization.

12651501504139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162000, while the sum is 43.

The spelling of 12651501504139 in words is "twelve trillion, six hundred fifty-one billion, five hundred one million, five hundred four thousand, one hundred thirty-nine".