1312213022302 has 48 divisors (see below), whose sum is σ = 2523151339632. Its totient is φ = 507044724480.

The previous prime is 1312213022251. The next prime is 1312213022353. The reversal of 1312213022302 is 2032203122131.

It is an interprime number because it is at equal distance from previous prime (1312213022251) and next prime (1312213022353).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11921899 + ... + 12031462.

It is an arithmetic number, because the mean of its divisors is an integer number (52565652909).

Almost surely, 2^{1312213022302} is an apocalyptic number.

1312213022302 is a deficient number, since it is larger than the sum of its proper divisors (1210938317330).

1312213022302 is a wasteful number, since it uses less digits than its factorization.

1312213022302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23953433 (or 23953426 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 1312213022302 its reverse (2032203122131), we get a palindrome (3344416144433).

The spelling of 1312213022302 in words is "one trillion, three hundred twelve billion, two hundred thirteen million, twenty-two thousand, three hundred two".