1312122122 has 8 divisors (see below), whose sum is σ = 2001542400. Its totient is φ = 644941324.

The previous prime is 1312122073. The next prime is 1312122179. The reversal of 1312122122 is 2212212131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1312122122.

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, 5559722 + ... + 5559957.

It is an arithmetic number, because the mean of its divisors is an integer number (250192800).

Almost surely, 2^1312122122 is an apocalyptic number.

1312122122 is a deficient number, since it is larger than the sum of its proper divisors (689420278).

1312122122 is a wasteful number, since it uses less digits than its factorization.

1312122122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11119740.

The product of its digits is 96, while the sum is 17.

The square root of 1312122122 is about 36223.2262781768. The cubic root of 1312122122 is about 1094.7747003510.

Adding to 1312122122 its reverse (2212212131), we get a palindrome (3524334253).

Subtracting 1312122122 from its reverse (2212212131), we obtain a palindrome (900090009).

The spelling of 1312122122 in words is "one billion, three hundred twelve million, one hundred twenty-two thousand, one hundred twenty-two".