13142312513252 has 24 divisors (see below), whose sum is σ = 24768522486456. Its totient is φ = 6065604787968.

The previous prime is 13142312513251. The next prime is 13142312513269. The reversal of 13142312513252 is 25231521324131.

It can be written as a sum of positive squares in 4 ways, for example, as 874498041316 + 12267814471936 = 935146^2 + 3502544^2 .

It is not an unprimeable number, because it can be changed into a prime (13142312513251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2567258 + ... + 5733710.

It is an arithmetic number, because the mean of its divisors is an integer number (1032021770269).

Almost surely, 2^{13142312513252} is an apocalyptic number.

It is an amenable number.

13142312513252 is a deficient number, since it is larger than the sum of its proper divisors (11626209973204).

13142312513252 is a wasteful number, since it uses less digits than its factorization.

13142312513252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3246287 (or 3246285 counting only the distinct ones).

The product of its digits is 43200, while the sum is 35.

Adding to 13142312513252 its reverse (25231521324131), we get a palindrome (38373833837383).

The spelling of 13142312513252 in words is "thirteen trillion, one hundred forty-two billion, three hundred twelve million, five hundred thirteen thousand, two hundred fifty-two".