12251403459 has 12 divisors (see below), whose sum is σ = 17769904152. Its totient is φ = 8133710400.

The previous prime is 12251403443. The next prime is 12251403517. The reversal of 12251403459 is 95430415221.

It is not a de Polignac number, because 12251403459 - 2⁴ = 12251403443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12251403559) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2822037 + ... + 2826374.

It is an arithmetic number, because the mean of its divisors is an integer number (1480825346).

Almost surely, 2^12251403459 is an apocalyptic number.

12251403459 is a deficient number, since it is larger than the sum of its proper divisors (5518500693).

12251403459 is a wasteful number, since it uses less digits than its factorization.

12251403459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5648658 (or 5648655 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The spelling of 12251403459 in words is "twelve billion, two hundred fifty-one million, four hundred three thousand, four hundred fifty-nine".