1320113212110 has 128 divisors (see below), whose sum is σ = 4388947891200. Its totient is φ = 274309234560.

The previous prime is 1320113212109. The next prime is 1320113212127. The reversal of 1320113212110 is 112123110231.

1320113212110 is a `hidden beast` number, since 1 + 320 + 1 + 1 + 321 + 21 + 1 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 31727965 + ... + 31769544.

It is an arithmetic number, because the mean of its divisors is an integer number (34288655400).

Almost surely, 2^{1320113212110} is an apocalyptic number.

1320113212110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1320113212110 is an abundant number, since it is smaller than the sum of its proper divisors (3068834679090).

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

1320113212110 is a wasteful number, since it uses less digits than its factorization.

1320113212110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63497543 (or 63497537 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 1320113212110 its reverse (112123110231), we get a palindrome (1432236322341).

The spelling of 1320113212110 in words is "one trillion, three hundred twenty billion, one hundred thirteen million, two hundred twelve thousand, one hundred ten".