12545070720 has 512 divisors, whose sum is σ = 51819264000. Its totient is φ = 2506899456.

The previous prime is 12545070719. The next prime is 12545070749. The reversal of 12545070720 is 2707054521.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3317791 + ... + 3321569.

It is an arithmetic number, because the mean of its divisors is an integer number (101209500).

Almost surely, 2^12545070720 is an apocalyptic number.

12545070720 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 12545070720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25909632000).

12545070720 is an abundant number, since it is smaller than the sum of its proper divisors (39274193280).

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

12545070720 is a wasteful number, since it uses less digits than its factorization.

12545070720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3840 (or 3828 counting only the distinct ones).

The product of its (nonzero) digits is 19600, while the sum is 33.

The spelling of 12545070720 in words is "twelve billion, five hundred forty-five million, seventy thousand, seven hundred twenty".