1312223332120 has 32 divisors (see below), whose sum is σ = 2952626922720. Its totient is φ = 524867212800.

The previous prime is 1312223332099. The next prime is 1312223332169. The reversal of 1312223332120 is 212333222131.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 286864 + ... + 1645216.

It is an arithmetic number, because the mean of its divisors is an integer number (92269591335).

Almost surely, 2^{1312223332120} is an apocalyptic number.

1312223332120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1312223332120 is an abundant number, since it is smaller than the sum of its proper divisors (1640403590600).

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

1312223332120 is a wasteful number, since it uses less digits than its factorization.

1312223332120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1382515 (or 1382511 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 1312223332120 its reverse (212333222131), we get a palindrome (1524556554251).

The spelling of 1312223332120 in words is "one trillion, three hundred twelve billion, two hundred twenty-three million, three hundred thirty-two thousand, one hundred twenty".