12799097136 has 150 divisors (see below), whose sum is σ = 41788287060. Its totient is φ = 3656786112.

The previous prime is 12799097119. The next prime is 12799097161. The reversal of 12799097136 is 63179099721.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 327235 + ... + 364253.

Almost surely, 2^12799097136 is an apocalyptic number.

12799097136 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 12799097136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20894143530).

12799097136 is an abundant number, since it is smaller than the sum of its proper divisors (28989189924).

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

12799097136 is an equidigital number, since it uses as much as digits as its factorization.

12799097136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37061 (or 37031 counting only the distinct ones).

The product of its (nonzero) digits is 1285956, while the sum is 54.

The spelling of 12799097136 in words is "twelve billion, seven hundred ninety-nine million, ninety-seven thousand, one hundred thirty-six".