12553240513020 has 48 divisors (see below), whose sum is σ = 35173499719680. Its totient is φ = 3345204490816.

The previous prime is 12553240512997. The next prime is 12553240513091. The reversal of 12553240513020 is 2031504235521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72610212 + ... + 72782891.

It is an arithmetic number, because the mean of its divisors is an integer number (732781244160).

Almost surely, 2^{12553240513020} is an apocalyptic number.

12553240513020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12553240513020 is an abundant number, since it is smaller than the sum of its proper divisors (22620259206660).

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

12553240513020 is a wasteful number, since it uses less digits than its factorization.

12553240513020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145394554 (or 145394552 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 33.

Adding to 12553240513020 its reverse (2031504235521), we get a palindrome (14584744748541).

The spelling of 12553240513020 in words is "twelve trillion, five hundred fifty-three billion, two hundred forty million, five hundred thirteen thousand, twenty".