12562506251320 has 64 divisors (see below), whose sum is σ = 29993813131680. Its totient is φ = 4719065174016.

The previous prime is 12562506251311. The next prime is 12562506251369. The reversal of 12562506251320 is 2315260526521.

It is a Harshad number since it is a multiple of its sum of digits (40).

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, 19901794 + ... + 20523313.

Almost surely, 2^{12562506251320} is an apocalyptic number.

12562506251320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12562506251320 is an abundant number, since it is smaller than the sum of its proper divisors (17431306880360).

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

12562506251320 is a wasteful number, since it uses less digits than its factorization.

12562506251320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40425592 (or 40425588 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 40.

Adding to 12562506251320 its reverse (2315260526521), we get a palindrome (14877766777841).

The spelling of 12562506251320 in words is "twelve trillion, five hundred sixty-two billion, five hundred six million, two hundred fifty-one thousand, three hundred twenty".