12522121896 has 64 divisors (see below), whose sum is σ = 32333414400. Its totient is φ = 4037112000.

The previous prime is 12522121873. The next prime is 12522121901. The reversal of 12522121896 is 69812122521.

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, 1745565 + ... + 1752723.

It is an arithmetic number, because the mean of its divisors is an integer number (505209600).

Almost surely, 2^12522121896 is an apocalyptic number.

It is an amenable number.

12522121896 is an abundant number, since it is smaller than the sum of its proper divisors (19811292504).

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

12522121896 is a wasteful number, since it uses less digits than its factorization.

12522121896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9550 (or 9546 counting only the distinct ones).

The product of its digits is 34560, while the sum is 39.

The spelling of 12522121896 in words is "twelve billion, five hundred twenty-two million, one hundred twenty-one thousand, eight hundred ninety-six".