12699318567936 has 1056 divisors, whose sum is σ = 46861253469184. Its totient is φ = 2973641932800.

The previous prime is 12699318567917. The next prime is 12699318567937. The reversal of 12699318567936 is 63976581399621.

It is a tau number, because it is divible by the number of its divisors (1056).

It is a super-2 number, since 2×12699318567936² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12699318567937) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1454504691 + ... + 1454513421.

Almost surely, 2^{12699318567936} is an apocalyptic number.

12699318567936 is a gapful number since it is divisible by the number (16) 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 12699318567936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23430626734592).

12699318567936 is an abundant number, since it is smaller than the sum of its proper divisors (34161934901248).

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

12699318567936 is a wasteful number, since it uses less digits than its factorization.

12699318567936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8839 (or 8810 counting only the distinct ones).

The product of its digits is 793618560, while the sum is 75.

The spelling of 12699318567936 in words is "twelve trillion, six hundred ninety-nine billion, three hundred eighteen million, five hundred sixty-seven thousand, nine hundred thirty-six".