1312322100122 has 32 divisors (see below), whose sum is σ = 2242127986560. Its totient is φ = 570237433920.

The previous prime is 1312322100113. The next prime is 1312322100149. The reversal of 1312322100122 is 2210012232131.

It is a junction number, because it is equal to n+sod(n) for n = 1312322100094 and 1312322100103.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90704 + ... + 1622612.

It is an arithmetic number, because the mean of its divisors is an integer number (70066499580).

Almost surely, 2^{1312322100122} is an apocalyptic number.

1312322100122 is a deficient number, since it is larger than the sum of its proper divisors (929805886438).

1312322100122 is a wasteful number, since it uses less digits than its factorization.

1312322100122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1533638.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1312322100122 its reverse (2210012232131), we get a palindrome (3522334332253).

The spelling of 1312322100122 in words is "one trillion, three hundred twelve billion, three hundred twenty-two million, one hundred thousand, one hundred twenty-two".