1250012500139 has 32 divisors (see below), whose sum is σ = 1449050379840. Its totient is φ = 1067937177600.

The previous prime is 1250012500111. The next prime is 1250012500147. The reversal of 1250012500139 is 9310052100521.

It is a cyclic number.

It is not a de Polignac number, because 1250012500139 - 2²⁸ = 1249744064683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1250012500109) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 83723027 + ... + 83737955.

It is an arithmetic number, because the mean of its divisors is an integer number (45282824370).

Almost surely, 2^{1250012500139} is an apocalyptic number.

1250012500139 is a deficient number, since it is larger than the sum of its proper divisors (199037879701).

1250012500139 is a wasteful number, since it uses less digits than its factorization.

1250012500139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21231.

The product of its (nonzero) digits is 2700, while the sum is 29.

The spelling of 1250012500139 in words is "one trillion, two hundred fifty billion, twelve million, five hundred thousand, one hundred thirty-nine".