12500014001389 has 4 divisors (see below), whose sum is σ = 12572268417756. Its totient is φ = 12427759585024.

The previous prime is 12500014001359. The next prime is 12500014001399. The reversal of 12500014001389 is 98310041000521.

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

It can be written as a sum of positive squares in 2 ways, for example, as 12082784560900 + 417229440489 = 3476030^2 + 645933^2 .

It is a cyclic number.

It is not a de Polignac number, because 12500014001389 - 2¹⁹ = 12500013477101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12500014001359) 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, 36127207924 + ... + 36127208269.

It is an arithmetic number, because the mean of its divisors is an integer number (3143067104439).

Almost surely, 2^{12500014001389} is an apocalyptic number.

It is an amenable number.

12500014001389 is a deficient number, since it is larger than the sum of its proper divisors (72254416367).

12500014001389 is an equidigital number, since it uses as much as digits as its factorization.

12500014001389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72254416366.

The product of its (nonzero) digits is 8640, while the sum is 34.

The spelling of 12500014001389 in words is "twelve trillion, five hundred billion, fourteen million, one thousand, three hundred eighty-nine".