12496981722624 has 320 divisors, whose sum is σ = 42993066124800. Its totient is φ = 3510046531584.

The previous prime is 12496981722607. The next prime is 12496981722647. The reversal of 12496981722624 is 42622718969421.

It is a happy number.

12496981722624 is a `hidden beast` number, since 1 + 2 + 496 + 9 + 81 + 7 + 2 + 2 + 62 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4614874 + ... + 6803750.

It is an arithmetic number, because the mean of its divisors is an integer number (134353331640).

Almost surely, 2^{12496981722624} is an apocalyptic number.

12496981722624 is a gapful number since it is divisible by the number (14) 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 12496981722624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21496533062400).

12496981722624 is an abundant number, since it is smaller than the sum of its proper divisors (30496084402176).

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

12496981722624 is an equidigital number, since it uses as much as digits as its factorization.

12496981722624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2188970 (or 2188948 counting only the distinct ones).

The product of its digits is 41803776, while the sum is 63.

The spelling of 12496981722624 in words is "twelve trillion, four hundred ninety-six billion, nine hundred eighty-one million, seven hundred twenty-two thousand, six hundred twenty-four".