12572811552 has 96 divisors (see below), whose sum is σ = 37827216000. Its totient is φ = 3581872128.

The previous prime is 12572811541. The next prime is 12572811557. The reversal of 12572811552 is 25511827521.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 12572811552.

It is not an unprimeable number, because it can be changed into a prime (12572811557) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 207724 + ... + 261332.

It is an arithmetic number, because the mean of its divisors is an integer number (394033500).

Almost surely, 2^12572811552 is an apocalyptic number.

12572811552 is a gapful number since it is divisible by the number (12) 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 12572811552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18913608000).

12572811552 is an abundant number, since it is smaller than the sum of its proper divisors (25254404448).

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

12572811552 is a wasteful number, since it uses less digits than its factorization.

12572811552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53978 (or 53970 counting only the distinct ones).

The product of its digits is 56000, while the sum is 39.

The spelling of 12572811552 in words is "twelve billion, five hundred seventy-two million, eight hundred eleven thousand, five hundred fifty-two".