1312100122332 has 24 divisors (see below), whose sum is σ = 3100320966400. Its totient is φ = 431830419696.

The previous prime is 1312100122243. The next prime is 1312100122339. The reversal of 1312100122332 is 2332210012131.

It is a junction number, because it is equal to n+sod(n) for n = 1312100122299 and 1312100122308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312100122339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 692034982 + ... + 692036877.

Almost surely, 2^{1312100122332} is an apocalyptic number.

1312100122332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1312100122332 is an abundant number, since it is smaller than the sum of its proper divisors (1788220844068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1312100122332 is a wasteful number, since it uses less digits than its factorization.

1312100122332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1384071945 (or 1384071943 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1312100122332 its reverse (2332210012131), we get a palindrome (3644310134463).

The spelling of 1312100122332 in words is "one trillion, three hundred twelve billion, one hundred million, one hundred twenty-two thousand, three hundred thirty-two".