12652251787508 has 12 divisors (see below), whose sum is σ = 22269425835300. Its totient is φ = 6289558691712.

The previous prime is 12652251787507. The next prime is 12652251787517. The reversal of 12652251787508 is 80578715225621.

12652251787508 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 6102194348644 + 6550057438864 = 2470262^2 + 2559308^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12652251787507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9141799733 + ... + 9141801116.

It is an arithmetic number, because the mean of its divisors is an integer number (1855785486275).

Almost surely, 2^{12652251787508} is an apocalyptic number.

It is an amenable number.

12652251787508 is a deficient number, since it is larger than the sum of its proper divisors (9617174047792).

12652251787508 is a wasteful number, since it uses less digits than its factorization.

12652251787508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18283601026 (or 18283601024 counting only the distinct ones).

The product of its (nonzero) digits is 18816000, while the sum is 59.

The spelling of 12652251787508 in words is "twelve trillion, six hundred fifty-two billion, two hundred fifty-one million, seven hundred eighty-seven thousand, five hundred eight".