12126162646 has 32 divisors (see below), whose sum is σ = 19665918720. Its totient is φ = 5574603936.

The previous prime is 12126162623. The next prime is 12126162673. The reversal of 12126162646 is 64626162121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12804345 + ... + 12805291.

It is an arithmetic number, because the mean of its divisors is an integer number (614559960).

Almost surely, 2^12126162646 is an apocalyptic number.

12126162646 is a deficient number, since it is larger than the sum of its proper divisors (7539756074).

12126162646 is a wasteful number, since it uses less digits than its factorization.

12126162646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2388.

The product of its digits is 41472, while the sum is 37.

The spelling of 12126162646 in words is "twelve billion, one hundred twenty-six million, one hundred sixty-two thousand, six hundred forty-six".