12572227520 has 112 divisors (see below), whose sum is σ = 30727680480. Its totient is φ = 4897591296.

The previous prime is 12572227519. The next prime is 12572227579. The reversal of 12572227520 is 2572227521.

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, 2354774 + ... + 2360106.

It is an arithmetic number, because the mean of its divisors is an integer number (274354290).

Almost surely, 2^12572227520 is an apocalyptic number.

12572227520 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 12572227520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15363840240).

12572227520 is an abundant number, since it is smaller than the sum of its proper divisors (18155452960).

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

12572227520 is a wasteful number, since it uses less digits than its factorization.

12572227520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5542 (or 5532 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 35.

Subtracting from 12572227520 its reverse (2572227521), we obtain a palindrome (9999999999).

The spelling of 12572227520 in words is "twelve billion, five hundred seventy-two million, two hundred twenty-seven thousand, five hundred twenty".