12311033332120 has 64 divisors (see below), whose sum is σ = 27834382239840. Its totient is φ = 4900537420800.

The previous prime is 12311033332109. The next prime is 12311033332187. The reversal of 12311033332120 is 2123333011321.

It is a congruent number.

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, 7980055 + ... + 9396985.

Almost surely, 2^{12311033332120} is an apocalyptic number.

12311033332120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12311033332120 is an abundant number, since it is smaller than the sum of its proper divisors (15523348907720).

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

12311033332120 is a wasteful number, since it uses less digits than its factorization.

12311033332120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1417996 (or 1417992 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 12311033332120 its reverse (2123333011321), we get a palindrome (14434366343441).

The spelling of 12311033332120 in words is "twelve trillion, three hundred eleven billion, thirty-three million, three hundred thirty-two thousand, one hundred twenty".