12527444224 has 72 divisors (see below), whose sum is σ = 26935276032. Its totient is φ = 5798031360.

The previous prime is 12527444221. The next prime is 12527444227. The reversal of 12527444224 is 42244472521.

It is an interprime number because it is at equal distance from previous prime (12527444221) and next prime (12527444227).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (12527444221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148212 + ... + 216844.

It is an arithmetic number, because the mean of its divisors is an integer number (374101056).

Almost surely, 2^12527444224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12527444224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13467638016).

12527444224 is an abundant number, since it is smaller than the sum of its proper divisors (14407831808).

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

12527444224 is an equidigital number, since it uses as much as digits as its factorization.

12527444224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68703 (or 68689 counting only the distinct ones).

The product of its digits is 143360, while the sum is 37.

The spelling of 12527444224 in words is "twelve billion, five hundred twenty-seven million, four hundred forty-four thousand, two hundred twenty-four".