1312302212022 has 96 divisors (see below), whose sum is σ = 2912782481280. Its totient is φ = 392757361920.

The previous prime is 1312302212021. The next prime is 1312302212029. The reversal of 1312302212022 is 2202122032131.

It is a self number, because there is not a number n which added to its sum of digits gives 1312302212022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312302212021) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20417997 + ... + 20482167.

It is an arithmetic number, because the mean of its divisors is an integer number (30341484180).

Almost surely, 2^{1312302212022} is an apocalyptic number.

1312302212022 is an abundant number, since it is smaller than the sum of its proper divisors (1600480269258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1312302212022 is a wasteful number, since it uses less digits than its factorization.

1312302212022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64618 (or 64595 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 1312302212022 its reverse (2202122032131), we get a palindrome (3514424244153).

The spelling of 1312302212022 in words is "one trillion, three hundred twelve billion, three hundred two million, two hundred twelve thousand, twenty-two".