1213004310239 has 2 divisors, whose sum is σ = 1213004310240. Its totient is φ = 1213004310238.

The previous prime is 1213004310233. The next prime is 1213004310253. The reversal of 1213004310239 is 9320134003121.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1213004310239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1213004310233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606502155119 + 606502155120.

It is an arithmetic number, because the mean of its divisors is an integer number (606502155120).

Almost surely, 2^{1213004310239} is an apocalyptic number.

1213004310239 is a deficient number, since it is larger than the sum of its proper divisors (1).

1213004310239 is an equidigital number, since it uses as much as digits as its factorization.

1213004310239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 29.

The spelling of 1213004310239 in words is "one trillion, two hundred thirteen billion, four million, three hundred ten thousand, two hundred thirty-nine".