12237771625 has 32 divisors (see below), whose sum is σ = 15868288800. Its totient is φ = 9411404800.

The previous prime is 12237771607. The next prime is 12237771629. The reversal of 12237771625 is 52617773221.

It can be written as a sum of positive squares in 16 ways, for example, as 11611571049 + 626200576 = 107757^2 + 25024^2 .

It is not a de Polignac number, because 12237771625 - 2²³ = 12229383017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12237771629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 837381 + ... + 851869.

It is an arithmetic number, because the mean of its divisors is an integer number (495884025).

Almost surely, 2^12237771625 is an apocalyptic number.

It is an amenable number.

12237771625 is a deficient number, since it is larger than the sum of its proper divisors (3630517175).

12237771625 is a wasteful number, since it uses less digits than its factorization.

12237771625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14766 (or 14756 counting only the distinct ones).

The product of its digits is 246960, while the sum is 43.

The spelling of 12237771625 in words is "twelve billion, two hundred thirty-seven million, seven hundred seventy-one thousand, six hundred twenty-five".