1204168331213 has 2 divisors, whose sum is σ = 1204168331214. Its totient is φ = 1204168331212.

The previous prime is 1204168331167. The next prime is 1204168331237. The reversal of 1204168331213 is 3121338614021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1103144794249 + 101023536964 = 1050307^2 + 317842^2 .

It is a cyclic number.

It is not a de Polignac number, because 1204168331213 - 2³⁴ = 1186988462029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1204168331263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 602084165606 + 602084165607.

It is an arithmetic number, because the mean of its divisors is an integer number (602084165607).

Almost surely, 2^{1204168331213} is an apocalyptic number.

It is an amenable number.

1204168331213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1204168331213 is an equidigital number, since it uses as much as digits as its factorization.

1204168331213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 35.

The spelling of 1204168331213 in words is "one trillion, two hundred four billion, one hundred sixty-eight million, three hundred thirty-one thousand, two hundred thirteen".