1313331222120 has 32 divisors (see below), whose sum is σ = 3939993666720. Its totient is φ = 350221659200.

The previous prime is 1313331222089. The next prime is 1313331222149. The reversal of 1313331222120 is 212221333131.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 5472213306 + ... + 5472213545.

It is an arithmetic number, because the mean of its divisors is an integer number (123124802085).

Almost surely, 2^{1313331222120} is an apocalyptic number.

1313331222120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1313331222120 is an abundant number, since it is smaller than the sum of its proper divisors (2626662444600).

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

1313331222120 is a wasteful number, since it uses less digits than its factorization.

1313331222120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10944426865 (or 10944426861 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 1313331222120 its reverse (212221333131), we get a palindrome (1525552555251).

The spelling of 1313331222120 in words is "one trillion, three hundred thirteen billion, three hundred thirty-one million, two hundred twenty-two thousand, one hundred twenty".