12532400000000 has 792 divisors, whose sum is σ = 35262755382960. Its totient is φ = 4423680000000.

The previous prime is 12532399999969. The next prime is 12532400000137. The reversal of 12532400000000 is 423521.

It is a super-2 number, since 2×12532400000000² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 129199999952 + ... + 129200000048.

Almost surely, 2^{12532400000000} is an apocalyptic number.

12532400000000 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 12532400000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17631377691480).

12532400000000 is an abundant number, since it is smaller than the sum of its proper divisors (22730355382960).

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

12532400000000 is an frugal number, since it uses more digits than its factorization.

12532400000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193 (or 140 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

Adding to 12532400000000 its reverse (423521), we get a palindrome (12532400423521).

The spelling of 12532400000000 in words is "twelve trillion, five hundred thirty-two billion, four hundred million", and thus it is an aban number.