12513156052 has 12 divisors (see below), whose sum is σ = 22311193716. Its totient is φ = 6138529280.

The previous prime is 12513156023. The next prime is 12513156101. The reversal of 12513156052 is 25065131521.

It can be written as a sum of positive squares in 2 ways, for example, as 8883816516 + 3629339536 = 94254^2 + 60244^2 .

It is a congruent number.

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, 29511949 + ... + 29512372.

It is an arithmetic number, because the mean of its divisors is an integer number (1859266143).

Almost surely, 2^12513156052 is an apocalyptic number.

It is an amenable number.

12513156052 is a deficient number, since it is larger than the sum of its proper divisors (9798037664).

12513156052 is a wasteful number, since it uses less digits than its factorization.

12513156052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59024378 (or 59024376 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 31.

Adding to 12513156052 its reverse (25065131521), we get a palindrome (37578287573).

The spelling of 12513156052 in words is "twelve billion, five hundred thirteen million, one hundred fifty-six thousand, fifty-two".