12427951032 has 96 divisors (see below), whose sum is σ = 38575180800. Its totient is φ = 3540900672.

The previous prime is 12427951009. The next prime is 12427951033. The reversal of 12427951032 is 23015972421.

12427951032 is a `hidden beast` number, since 1 + 2 + 42 + 79 + 510 + 32 = 666.

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 (12427951033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 146593 + ... + 215279.

It is an arithmetic number, because the mean of its divisors is an integer number (401824800).

Almost surely, 2^12427951032 is an apocalyptic number.

12427951032 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 12427951032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19287590400).

12427951032 is an abundant number, since it is smaller than the sum of its proper divisors (26147229768).

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

12427951032 is a wasteful number, since it uses less digits than its factorization.

12427951032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69065 (or 69058 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The spelling of 12427951032 in words is "twelve billion, four hundred twenty-seven million, nine hundred fifty-one thousand, thirty-two".