12715683221320 has 96 divisors (see below), whose sum is σ = 31372638670080. Its totient is φ = 4632658652160.

The previous prime is 12715683221291. The next prime is 12715683221357. The reversal of 12715683221320 is 2312238651721.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17383134 + ... + 18099853.

It is an arithmetic number, because the mean of its divisors is an integer number (326798319480).

Almost surely, 2^{12715683221320} is an apocalyptic number.

12715683221320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12715683221320 is an abundant number, since it is smaller than the sum of its proper divisors (18656955448760).

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

12715683221320 is a wasteful number, since it uses less digits than its factorization.

12715683221320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35483063 (or 35483042 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 12715683221320 in words is "twelve trillion, seven hundred fifteen billion, six hundred eighty-three million, two hundred twenty-one thousand, three hundred twenty".