1313200323122 has 4 divisors (see below), whose sum is σ = 1969800484686. Its totient is φ = 656600161560.

The previous prime is 1313200323119. The next prime is 1313200323151. The reversal of 1313200323122 is 2213230023131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1257697203841 + 55503119281 = 1121471^2 + 235591^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 328300080779 + ... + 328300080782.

Almost surely, 2^{1313200323122} is an apocalyptic number.

1313200323122 is a deficient number, since it is larger than the sum of its proper divisors (656600161564).

1313200323122 is an equidigital number, since it uses as much as digits as its factorization.

1313200323122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656600161563.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 1313200323122 its reverse (2213230023131), we get a palindrome (3526430346253).

The spelling of 1313200323122 in words is "one trillion, three hundred thirteen billion, two hundred million, three hundred twenty-three thousand, one hundred twenty-two".