12503891290 has 16 divisors (see below), whose sum is σ = 24553095840. Its totient is φ = 4546869520.

The previous prime is 12503891287. The next prime is 12503891297. The reversal of 12503891290 is 9219830521.

It is not an unprimeable number, because it can be changed into a prime (12503891297) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56835760 + ... + 56835979.

It is an arithmetic number, because the mean of its divisors is an integer number (1534568490).

Almost surely, 2^12503891290 is an apocalyptic number.

12503891290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12503891290 is a deficient number, since it is larger than the sum of its proper divisors (12049204550).

12503891290 is a wasteful number, since it uses less digits than its factorization.

12503891290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113671757.

The product of its (nonzero) digits is 38880, while the sum is 40.

The spelling of 12503891290 in words is "twelve billion, five hundred three million, eight hundred ninety-one thousand, two hundred ninety".