12500138902514 has 4 divisors (see below), whose sum is σ = 18750208353774. Its totient is φ = 6250069451256.

The previous prime is 12500138902499. The next prime is 12500138902541. The reversal of 12500138902514 is 41520983100521.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 8940596346889 + 3559542555625 = 2990083^2 + 1886675^2 .

It is a super-3 number, since 3×12500138902514³ (a number of 40 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3125034725627 + ... + 3125034725630.

Almost surely, 2^{12500138902514} is an apocalyptic number.

12500138902514 is a deficient number, since it is larger than the sum of its proper divisors (6250069451260).

12500138902514 is an equidigital number, since it uses as much as digits as its factorization.

12500138902514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6250069451259.

The product of its (nonzero) digits is 86400, while the sum is 41.

The spelling of 12500138902514 in words is "twelve trillion, five hundred billion, one hundred thirty-eight million, nine hundred two thousand, five hundred fourteen".