12457360680 has 96 divisors (see below), whose sum is σ = 37653668640. Its totient is φ = 3297118720.

The previous prime is 12457360609. The next prime is 12457360681. The reversal of 12457360680 is 8606375421.

It is a super-2 number, since 2×12457360680² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12457360681) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2249515 + ... + 2255045.

It is an arithmetic number, because the mean of its divisors is an integer number (392225715).

Almost surely, 2^12457360680 is an apocalyptic number.

12457360680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12457360680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18826834320).

12457360680 is an abundant number, since it is smaller than the sum of its proper divisors (25196307960).

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

12457360680 is a wasteful number, since it uses less digits than its factorization.

12457360680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5819 (or 5678 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 42.

The spelling of 12457360680 in words is "twelve billion, four hundred fifty-seven million, three hundred sixty thousand, six hundred eighty".