12526306372 has 12 divisors (see below), whose sum is σ = 21934637676. Its totient is φ = 6259267040.

The previous prime is 12526306349. The next prime is 12526306409. The reversal of 12526306372 is 27360362521.

It can be written as a sum of positive squares in 2 ways, for example, as 4405773376 + 8120532996 = 66376^2 + 90114^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 964279 + ... + 977182.

It is an arithmetic number, because the mean of its divisors is an integer number (1827886473).

Almost surely, 2^12526306372 is an apocalyptic number.

It is an amenable number.

12526306372 is a deficient number, since it is larger than the sum of its proper divisors (9408331304).

12526306372 is a wasteful number, since it uses less digits than its factorization.

12526306372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1943078 (or 1943076 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 37.

Adding to 12526306372 its reverse (27360362521), we get a palindrome (39886668893).

The spelling of 12526306372 in words is "twelve billion, five hundred twenty-six million, three hundred six thousand, three hundred seventy-two".