1204201321049 has 2 divisors, whose sum is σ = 1204201321050. Its totient is φ = 1204201321048.

The previous prime is 1204201320943. The next prime is 1204201321061. The reversal of 1204201321049 is 9401231024021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1096638312025 + 107563009024 = 1047205^2 + 327968^2 .

It is a cyclic number.

It is not a de Polignac number, because 1204201321049 - 2²⁸ = 1203932885593 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1204201321249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 602100660524 + 602100660525.

It is an arithmetic number, because the mean of its divisors is an integer number (602100660525).

Almost surely, 2^{1204201321049} is an apocalyptic number.

It is an amenable number.

1204201321049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1204201321049 is an equidigital number, since it uses as much as digits as its factorization.

1204201321049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 29.

The spelling of 1204201321049 in words is "one trillion, two hundred four billion, two hundred one million, three hundred twenty-one thousand, forty-nine".