1312231322213 has 8 divisors (see below), whose sum is σ = 1499937996480. Its totient is φ = 1124585912160.

The previous prime is 1312231322161. The next prime is 1312231322219. The reversal of 1312231322213 is 3122231322131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1312231322213 - 2¹² = 1312231318117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312231322219) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 15270143 + ... + 15355836.

It is an arithmetic number, because the mean of its divisors is an integer number (187492249560).

Almost surely, 2^{1312231322213} is an apocalyptic number.

It is an amenable number.

1312231322213 is a deficient number, since it is larger than the sum of its proper divisors (187706674267).

1312231322213 is an equidigital number, since it uses as much as digits as its factorization.

1312231322213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30632107.

The product of its digits is 2592, while the sum is 26.

Adding to 1312231322213 its reverse (3122231322131), we get a palindrome (4434462644344).

The spelling of 1312231322213 in words is "one trillion, three hundred twelve billion, two hundred thirty-one million, three hundred twenty-two thousand, two hundred thirteen".