120320111312 has 40 divisors (see below), whose sum is σ = 233792272200. Its totient is φ = 59986870272.

The previous prime is 120320111309. The next prime is 120320111321. The reversal of 120320111312 is 213111023021.

It can be written as a sum of positive squares in 4 ways, for example, as 1339267216 + 118980844096 = 36596^2 + 344936^2 .

It is a super-2 number, since 2×120320111312² (a number of 23 digits) contains 22 as substring.

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, 8569514 + ... + 8583542.

It is an arithmetic number, because the mean of its divisors is an integer number (5844806805).

Almost surely, 2^120320111312 is an apocalyptic number.

It is an amenable number.

120320111312 is a deficient number, since it is larger than the sum of its proper divisors (113472160888).

120320111312 is a wasteful number, since it uses less digits than its factorization.

120320111312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15543 (or 15537 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 120320111312 its reverse (213111023021), we get a palindrome (333431134333).

The spelling of 120320111312 in words is "one hundred twenty billion, three hundred twenty million, one hundred eleven thousand, three hundred twelve".