12461257326 has 48 divisors (see below), whose sum is σ = 29665747584. Its totient is φ = 3477556656.

The previous prime is 12461257321. The next prime is 12461257337. The reversal of 12461257326 is 62375216421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12461257321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 480210 + ... + 505493.

It is an arithmetic number, because the mean of its divisors is an integer number (618036408).

Almost surely, 2^12461257326 is an apocalyptic number.

12461257326 is an abundant number, since it is smaller than the sum of its proper divisors (17204490258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12461257326 is a wasteful number, since it uses less digits than its factorization.

12461257326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985765 (or 985758 counting only the distinct ones).

The product of its digits is 120960, while the sum is 39.

The spelling of 12461257326 in words is "twelve billion, four hundred sixty-one million, two hundred fifty-seven thousand, three hundred twenty-six".