12257075422 has 16 divisors (see below), whose sum is σ = 18898304400. Its totient is φ = 5959687552.

The previous prime is 12257075357. The next prime is 12257075447. The reversal of 12257075422 is 22457075221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 499672 + ... + 523627.

It is an arithmetic number, because the mean of its divisors is an integer number (1181144025).

Almost surely, 2^12257075422 is an apocalyptic number.

12257075422 is a deficient number, since it is larger than the sum of its proper divisors (6641228978).

12257075422 is a wasteful number, since it uses less digits than its factorization.

12257075422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1023467.

The product of its (nonzero) digits is 78400, while the sum is 37.

The spelling of 12257075422 in words is "twelve billion, two hundred fifty-seven million, seventy-five thousand, four hundred twenty-two".