1312100220095 has 32 divisors (see below), whose sum is σ = 1807066060800. Its totient is φ = 895924406016.

The previous prime is 1312100220007. The next prime is 1312100220097. The reversal of 1312100220095 is 5900220012131.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1312100220095 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312100220097) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11105291 + ... + 11222819.

It is an arithmetic number, because the mean of its divisors is an integer number (56470814400).

Almost surely, 2^{1312100220095} is an apocalyptic number.

1312100220095 is a deficient number, since it is larger than the sum of its proper divisors (494965840705).

1312100220095 is a wasteful number, since it uses less digits than its factorization.

1312100220095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118887.

The product of its (nonzero) digits is 1080, while the sum is 26.

The spelling of 1312100220095 in words is "one trillion, three hundred twelve billion, one hundred million, two hundred twenty thousand, ninety-five".