1312111302122 has 8 divisors (see below), whose sum is σ = 1981201171872. Its totient is φ = 651710911500.

The previous prime is 1312111302101. The next prime is 1312111302137. The reversal of 1312111302122 is 2212031112131.

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 = 1312111302094 and 1312111302103.

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, 2172369404 + ... + 2172370007.

It is an arithmetic number, because the mean of its divisors is an integer number (247650146484).

Almost surely, 2^{1312111302122} is an apocalyptic number.

1312111302122 is a deficient number, since it is larger than the sum of its proper divisors (669089869750).

1312111302122 is a wasteful number, since it uses less digits than its factorization.

1312111302122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4344739564.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 1312111302122 its reverse (2212031112131), we get a palindrome (3524142414253).

The spelling of 1312111302122 in words is "one trillion, three hundred twelve billion, one hundred eleven million, three hundred two thousand, one hundred twenty-two".