1312122132112 has 40 divisors (see below), whose sum is σ = 2840991727392. Its totient is φ = 581872339200.

The previous prime is 1312122132103. The next prime is 1312122132137. The reversal of 1312122132112 is 2112312212131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 90910338 + ... + 90924769.

Almost surely, 2^{1312122132112} is an apocalyptic number.

It is an amenable number.

1312122132112 is an abundant number, since it is smaller than the sum of its proper divisors (1528869595280).

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

1312122132112 is a wasteful number, since it uses less digits than its factorization.

1312122132112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181835167 (or 181835161 counting only the distinct ones).

The product of its digits is 288, while the sum is 22.

Adding to 1312122132112 its reverse (2112312212131), we get a palindrome (3424434344243).

The spelling of 1312122132112 in words is "one trillion, three hundred twelve billion, one hundred twenty-two million, one hundred thirty-two thousand, one hundred twelve".