12490140923 has 16 divisors (see below), whose sum is σ = 13586469120. Its totient is φ = 11413335456.

The previous prime is 12490140919. The next prime is 12490140953. The reversal of 12490140923 is 32904109421.

It is a cyclic number.

It is not a de Polignac number, because 12490140923 - 2² = 12490140919 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12490140953) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2761658 + ... + 2766176.

It is an arithmetic number, because the mean of its divisors is an integer number (849154320).

Almost surely, 2^12490140923 is an apocalyptic number.

12490140923 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12490140923 is a deficient number, since it is larger than the sum of its proper divisors (1096328197).

12490140923 is a wasteful number, since it uses less digits than its factorization.

12490140923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6626.

The product of its (nonzero) digits is 15552, while the sum is 35.

The spelling of 12490140923 in words is "twelve billion, four hundred ninety million, one hundred forty thousand, nine hundred twenty-three".