1312222310122 has 8 divisors (see below), whose sum is σ = 1968352731972. Its totient is φ = 656104732800.

The previous prime is 1312222310023. The next prime is 1312222310167. The reversal of 1312222310122 is 2210132222131.

It can be written as a sum of positive squares in 2 ways, for example, as 1275591795241 + 36630514881 = 1129421^2 + 191391^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1312222310093 and 1312222310102.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2951529 + ... + 3366892.

Almost surely, 2^{1312222310122} is an apocalyptic number.

1312222310122 is a deficient number, since it is larger than the sum of its proper divisors (656130421850).

1312222310122 is a wasteful number, since it uses less digits than its factorization.

1312222310122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6422264.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 1312222310122 its reverse (2210132222131), we get a palindrome (3522354532253).

The spelling of 1312222310122 in words is "one trillion, three hundred twelve billion, two hundred twenty-two million, three hundred ten thousand, one hundred twenty-two".