1312221100296 has 64 divisors (see below), whose sum is σ = 3473648988480. Its totient is φ = 411662684160.

The previous prime is 1312221100259. The next prime is 1312221100297. The reversal of 1312221100296 is 6920011222131.

It is not an unprimeable number, because it can be changed into a prime (1312221100297) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22470816 + ... + 22529136.

It is an arithmetic number, because the mean of its divisors is an integer number (54275765445).

Almost surely, 2^{1312221100296} is an apocalyptic number.

It is an amenable number.

1312221100296 is an abundant number, since it is smaller than the sum of its proper divisors (2161427888184).

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

1312221100296 is a wasteful number, since it uses less digits than its factorization.

1312221100296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113494 (or 113490 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The spelling of 1312221100296 in words is "one trillion, three hundred twelve billion, two hundred twenty-one million, one hundred thousand, two hundred ninety-six".