1312131032122 has 16 divisors (see below), whose sum is σ = 1983034730880. Its totient is φ = 651122686368.

The previous prime is 1312131032101. The next prime is 1312131032143. The reversal of 1312131032122 is 2212301312131.

It is an interprime number because it is at equal distance from previous prime (1312131032101) and next prime (1312131032143).

It is a junction number, because it is equal to n+sod(n) for n = 1312131032093 and 1312131032102.

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, 7438 + ... + 1619974.

It is an arithmetic number, because the mean of its divisors is an integer number (123939670680).

Almost surely, 2^{1312131032122} is an apocalyptic number.

1312131032122 is a deficient number, since it is larger than the sum of its proper divisors (670903698758).

1312131032122 is a wasteful number, since it uses less digits than its factorization.

1312131032122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1615605.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 1312131032122 its reverse (2212301312131), we get a palindrome (3524432344253).

The spelling of 1312131032122 in words is "one trillion, three hundred twelve billion, one hundred thirty-one million, thirty-two thousand, one hundred twenty-two".