1320312112320 has 112 divisors (see below), whose sum is σ = 4192226015328. Its totient is φ = 352063488000.

The previous prime is 1320312112319. The next prime is 1320312112411. The reversal of 1320312112320 is 232112130231.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26856402 + ... + 26905518.

Almost surely, 2^{1320312112320} is an apocalyptic number.

1320312112320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1320312112320 is an abundant number, since it is smaller than the sum of its proper divisors (2871913903008).

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

1320312112320 is a wasteful number, since it uses less digits than its factorization.

1320312112320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77138 (or 77128 counting only the distinct ones).

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

Adding to 1320312112320 its reverse (232112130231), we get a palindrome (1552424242551).

The spelling of 1320312112320 in words is "one trillion, three hundred twenty billion, three hundred twelve million, one hundred twelve thousand, three hundred twenty".