12502509379 has 2 divisors, whose sum is σ = 12502509380. Its totient is φ = 12502509378.

The previous prime is 12502509347. The next prime is 12502509479. The reversal of 12502509379 is 97390520521.

12502509379 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12502509379 - 2⁵ = 12502509347 is a prime.

It is not a weakly prime, because it can be changed into another prime (12502509479) 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, 6251254689 + 6251254690.

It is an arithmetic number, because the mean of its divisors is an integer number (6251254690).

Almost surely, 2^12502509379 is an apocalyptic number.

12502509379 is a deficient number, since it is larger than the sum of its proper divisors (1).

12502509379 is an equidigital number, since it uses as much as digits as its factorization.

12502509379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 170100, while the sum is 43.

The spelling of 12502509379 in words is "twelve billion, five hundred two million, five hundred nine thousand, three hundred seventy-nine".