1312233120122 has 16 divisors (see below), whose sum is σ = 2005645280040. Its totient is φ = 643686630912.

The previous prime is 1312233120109. The next prime is 1312233120139. The reversal of 1312233120122 is 2210213322131.

It can be written as a sum of positive squares in 4 ways, for example, as 907025759641 + 405207360481 = 952379^2 + 636559^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 895154 + ... + 1850882.

Almost surely, 2^{1312233120122} is an apocalyptic number.

1312233120122 is a deficient number, since it is larger than the sum of its proper divisors (693412159918).

1312233120122 is a wasteful number, since it uses less digits than its factorization.

1312233120122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 968737.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 1312233120122 its reverse (2210213322131), we get a palindrome (3522446442253).

The spelling of 1312233120122 in words is "one trillion, three hundred twelve billion, two hundred thirty-three million, one hundred twenty thousand, one hundred twenty-two".