1312103012022 has 48 divisors (see below), whose sum is σ = 3101444216208. Its totient is φ = 397592893440.

The previous prime is 1312103012009. The next prime is 1312103012029. The reversal of 1312103012022 is 2202103012131.

1312103012022 is a `hidden beast` number, since 1 + 312 + 10 + 301 + 20 + 22 = 666.

It is a super-2 number, since 2×1312103012022² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1312103011986 and 1312103012004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312103012029) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6400018 + ... + 6601850.

It is an arithmetic number, because the mean of its divisors is an integer number (64613421171).

Almost surely, 2^{1312103012022} is an apocalyptic number.

1312103012022 is an abundant number, since it is smaller than the sum of its proper divisors (1789341204186).

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

1312103012022 is a wasteful number, since it uses less digits than its factorization.

1312103012022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234685 (or 234682 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1312103012022 its reverse (2202103012131), we get a palindrome (3514206024153).

The spelling of 1312103012022 in words is "one trillion, three hundred twelve billion, one hundred three million, twelve thousand, twenty-two".