1312120100022 has 16 divisors (see below), whose sum is σ = 2695165611312. Its totient is φ = 425552464800.

The previous prime is 1312120099967. The next prime is 1312120100041. The reversal of 1312120100022 is 2200010212131.

It is a junction number, because it is equal to n+sod(n) for n = 1312120099974 and 1312120100010.

It is a congruent number.

It is an unprimeable number.

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, 2955225229 + ... + 2955225672.

It is an arithmetic number, because the mean of its divisors is an integer number (168447850707).

Almost surely, 2^{1312120100022} is an apocalyptic number.

1312120100022 is an abundant number, since it is smaller than the sum of its proper divisors (1383045511290).

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

1312120100022 is a wasteful number, since it uses less digits than its factorization.

1312120100022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5910450943.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 1312120100022 its reverse (2200010212131), we get a palindrome (3512130312153).

The spelling of 1312120100022 in words is "one trillion, three hundred twelve billion, one hundred twenty million, one hundred thousand, twenty-two".