1312021312022 has 8 divisors (see below), whose sum is σ = 1968036918696. Its totient is φ = 656009005792.

The previous prime is 1312021312013. The next prime is 1312021312027. The reversal of 1312021312022 is 2202131202131.

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

It is a junction number, because it is equal to n+sod(n) for n = 1312021311985 and 1312021312003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312021312027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 843998 + ... + 1826574.

It is an arithmetic number, because the mean of its divisors is an integer number (246004614837).

Almost surely, 2^{1312021312022} is an apocalyptic number.

1312021312022 is a deficient number, since it is larger than the sum of its proper divisors (656015606674).

1312021312022 is an equidigital number, since it uses as much as digits as its factorization.

1312021312022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1650222.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1312021312022 its reverse (2202131202131), we get a palindrome (3514152514153).

The spelling of 1312021312022 in words is "one trillion, three hundred twelve billion, twenty-one million, three hundred twelve thousand, twenty-two".