1213200131023 has 2 divisors, whose sum is σ = 1213200131024. Its totient is φ = 1213200131022.

The previous prime is 1213200130997. The next prime is 1213200131027. The reversal of 1213200131023 is 3201310023121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1213200131023 - 2⁵ = 1213200130991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1213200131027) 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, 606600065511 + 606600065512.

It is an arithmetic number, because the mean of its divisors is an integer number (606600065512).

Almost surely, 2^{1213200131023} is an apocalyptic number.

1213200131023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1213200131023 is an equidigital number, since it uses as much as digits as its factorization.

1213200131023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1213200131023 its reverse (3201310023121), we get a palindrome (4414510154144).

The spelling of 1213200131023 in words is "one trillion, two hundred thirteen billion, two hundred million, one hundred thirty-one thousand, twenty-three".