12650250139 has 4 divisors (see below), whose sum is σ = 12650475256. Its totient is φ = 12650025024.

The previous prime is 12650250131. The next prime is 12650250157. The reversal of 12650250139 is 93105205621.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 12650250139 - 2³ = 12650250131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12650250131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49732 + ... + 166654.

It is an arithmetic number, because the mean of its divisors is an integer number (3162618814).

Almost surely, 2^12650250139 is an apocalyptic number.

12650250139 is a deficient number, since it is larger than the sum of its proper divisors (225117).

12650250139 is a wasteful number, since it uses less digits than its factorization.

12650250139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225116.

The product of its (nonzero) digits is 16200, while the sum is 34.

The spelling of 12650250139 in words is "twelve billion, six hundred fifty million, two hundred fifty thousand, one hundred thirty-nine".