120012111331 has 8 divisors (see below), whose sum is σ = 137165656320. Its totient is φ = 102860805768.

The previous prime is 120012111301. The next prime is 120012111353. The reversal of 120012111331 is 133111210021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-120012111331 is a prime.

It is a super-2 number, since 2×120012111331² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (120012111301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 443401 + ... + 660778.

It is an arithmetic number, because the mean of its divisors is an integer number (17145707040).

Almost surely, 2^120012111331 is an apocalyptic number.

120012111331 is a deficient number, since it is larger than the sum of its proper divisors (17153544989).

120012111331 is a wasteful number, since it uses less digits than its factorization.

120012111331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1119713.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 120012111331 its reverse (133111210021), we get a palindrome (253123321352).

The spelling of 120012111331 in words is "one hundred twenty billion, twelve million, one hundred eleven thousand, three hundred thirty-one".