12473398738944 has 1680 divisors, whose sum is σ = 45005720907840. Its totient is φ = 3405455032320.

The previous prime is 12473398738919. The next prime is 12473398738951. The reversal of 12473398738944 is 44983789337421.

12473398738944 is a `hidden beast` number, since 1 + 2 + 473 + 3 + 9 + 8 + 73 + 89 + 4 + 4 = 666.

It is a super-2 number, since 2×12473398738944² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 114434850762 + ... + 114434850870.

It is an arithmetic number, because the mean of its divisors is an integer number (26789119588).

Almost surely, 2^{12473398738944} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12473398738944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22502860453920).

12473398738944 is an abundant number, since it is smaller than the sum of its proper divisors (32532322168896).

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

12473398738944 is an equidigital number, since it uses as much as digits as its factorization.

12473398738944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246 (or 205 counting only the distinct ones).

The product of its digits is 877879296, while the sum is 72.

The spelling of 12473398738944 in words is "twelve trillion, four hundred seventy-three billion, three hundred ninety-eight million, seven hundred thirty-eight thousand, nine hundred forty-four".