12361437258456 has 64 divisors (see below), whose sum is σ = 36306319230720. Its totient is φ = 3457744686720.

The previous prime is 12361437258451. The next prime is 12361437258473. The reversal of 12361437258456 is 65485273416321.

It is a junction number, because it is equal to n+sod(n) for n = 12361437258396 and 12361437258405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12361437258451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1800905260 + ... + 1800912123.

It is an arithmetic number, because the mean of its divisors is an integer number (567286237980).

Almost surely, 2^{12361437258456} is an apocalyptic number.

It is an amenable number.

12361437258456 is an abundant number, since it is smaller than the sum of its proper divisors (23944881972264).

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

12361437258456 is a wasteful number, since it uses less digits than its factorization.

12361437258456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3601817416 (or 3601817412 counting only the distinct ones).

The product of its digits is 29030400, while the sum is 57.

The spelling of 12361437258456 in words is "twelve trillion, three hundred sixty-one billion, four hundred thirty-seven million, two hundred fifty-eight thousand, four hundred fifty-six".