1312122224 has 40 divisors (see below), whose sum is σ = 2907397248. Its totient is φ = 561954240.

The previous prime is 1312122211. The next prime is 1312122233. The reversal of 1312122224 is 4222212131.

It is a junction number, because it is equal to n+sod(n) for n = 1312122196 and 1312122205.

It is a congruent number.

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, 213239 + ... + 219305.

Almost surely, 2^1312122224 is an apocalyptic number.

1312122224 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1312122224 is an abundant number, since it is smaller than the sum of its proper divisors (1595275024).

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

1312122224 is a wasteful number, since it uses less digits than its factorization.

1312122224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8013 (or 8007 counting only the distinct ones).

The product of its digits is 384, while the sum is 20.

The square root of 1312122224 is about 36223.2276861132. The cubic root of 1312122224 is about 1094.7747287190.

Adding to 1312122224 its reverse (4222212131), we get a palindrome (5534334355).

The spelling of 1312122224 in words is "one billion, three hundred twelve million, one hundred twenty-two thousand, two hundred twenty-four".