13252510112420 has 24 divisors (see below), whose sum is σ = 27925255109304. Its totient is φ = 5282911878656.

The previous prime is 13252510112407. The next prime is 13252510112431. The reversal of 13252510112420 is 2421101525231.

It can be written as a sum of positive squares in 4 ways, for example, as 2308375803556 + 10944134308864 = 1519334^2 + 3308192^2 .

It is a super-2 number, since 2×13252510112420² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1130754389 + ... + 1130766108.

It is an arithmetic number, because the mean of its divisors is an integer number (1163552296221).

Almost surely, 2^{13252510112420} is an apocalyptic number.

13252510112420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13252510112420 is an abundant number, since it is smaller than the sum of its proper divisors (14672744996884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13252510112420 is a wasteful number, since it uses less digits than its factorization.

13252510112420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2261520799 (or 2261520797 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 29.

Adding to 13252510112420 its reverse (2421101525231), we get a palindrome (15673611637651).

The spelling of 13252510112420 in words is "thirteen trillion, two hundred fifty-two billion, five hundred ten million, one hundred twelve thousand, four hundred twenty".