12252828439872 has 196 divisors, whose sum is σ = 36998741685376. Its totient is φ = 4023315774720.

The previous prime is 12252828439871. The next prime is 12252828439909. The reversal of 12252828439872 is 27893482825221.

12252828439872 is a `hidden beast` number, since 1 + 2 + 2 + 52 + 82 + 8 + 439 + 8 + 72 = 666.

It is a super-2 number, since 2×12252828439872² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12252828439871) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 1166097 + ... + 5085807.

Almost surely, 2^{12252828439872} is an apocalyptic number.

12252828439872 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 12252828439872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18499370842688).

12252828439872 is an abundant number, since it is smaller than the sum of its proper divisors (24745913245504).

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

12252828439872 is an frugal number, since it uses more digits than its factorization.

12252828439872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3919808 (or 3919783 counting only the distinct ones).

The product of its digits is 61931520, while the sum is 63.

The spelling of 12252828439872 in words is "twelve trillion, two hundred fifty-two billion, eight hundred twenty-eight million, four hundred thirty-nine thousand, eight hundred seventy-two".