12421071274032 has 80 divisors (see below), whose sum is σ = 35812954490880. Its totient is φ = 4121790435648.

The previous prime is 12421071274019. The next prime is 12421071274033. The reversal of 12421071274032 is 23047217012421.

12421071274032 is a `hidden beast` number, since 1 + 24 + 2 + 107 + 127 + 403 + 2 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (12421071274033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64371108 + ... + 64563779.

It is an arithmetic number, because the mean of its divisors is an integer number (447661931136).

Almost surely, 2^{12421071274032} is an apocalyptic number.

12421071274032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12421071274032 is an abundant number, since it is smaller than the sum of its proper divisors (23391883216848).

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

12421071274032 is a wasteful number, since it uses less digits than its factorization.

12421071274032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128935127 (or 128935115 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

Adding to 12421071274032 its reverse (23047217012421), we get a palindrome (35468288286453).

The spelling of 12421071274032 in words is "twelve trillion, four hundred twenty-one billion, seventy-one million, two hundred seventy-four thousand, thirty-two".