12534017472 has 168 divisors, whose sum is σ = 36322290576. Its totient is φ = 4132306944.

The previous prime is 12534017467. The next prime is 12534017479. The reversal of 12534017472 is 27471043521.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12534017479) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33603078 + ... + 33603450.

Almost surely, 2^12534017472 is an apocalyptic number.

12534017472 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 12534017472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18161145288).

12534017472 is an abundant number, since it is smaller than the sum of its proper divisors (23788273104).

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

12534017472 is a wasteful number, since it uses less digits than its factorization.

12534017472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 875 (or 862 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The spelling of 12534017472 in words is "twelve billion, five hundred thirty-four million, seventeen thousand, four hundred seventy-two".