1312123112322 has 32 divisors (see below), whose sum is σ = 2874692994624. Its totient is φ = 395963212800.

The previous prime is 1312123112297. The next prime is 1312123112323. The reversal of 1312123112322 is 2232113212131.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 1312123112292 and 1312123112301.

It is not an unprimeable number, because it can be changed into a prime (1312123112323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41230263 + ... + 41262074.

It is an arithmetic number, because the mean of its divisors is an integer number (89834156082).

Almost surely, 2^{1312123112322} is an apocalyptic number.

1312123112322 is an abundant number, since it is smaller than the sum of its proper divisors (1562569882302).

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

1312123112322 is a wasteful number, since it uses less digits than its factorization.

1312123112322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82492594.

The product of its digits is 864, while the sum is 24.

Adding to 1312123112322 its reverse (2232113212131), we get a palindrome (3544236324453).

The spelling of 1312123112322 in words is "one trillion, three hundred twelve billion, one hundred twenty-three million, one hundred twelve thousand, three hundred twenty-two".