12532357992 has 192 divisors, whose sum is σ = 39842288640. Its totient is φ = 3248380800.

The previous prime is 12532357933. The next prime is 12532358017. The reversal of 12532357992 is 29975323521.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10180017 + ... + 10181247.

It is an arithmetic number, because the mean of its divisors is an integer number (207511920).

Almost surely, 2^12532357992 is an apocalyptic number.

12532357992 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 12532357992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19921144320).

12532357992 is an abundant number, since it is smaller than the sum of its proper divisors (27309930648).

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

12532357992 is a wasteful number, since it uses less digits than its factorization.

12532357992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2052 (or 2041 counting only the distinct ones).

The product of its digits is 1020600, while the sum is 48.

It can be divided in two parts, 125323 and 57992, that added together give a triangular number (183315 = T₆₀₅).

The spelling of 12532357992 in words is "twelve billion, five hundred thirty-two million, three hundred fifty-seven thousand, nine hundred ninety-two".