912012133331 has 12 divisors (see below), whose sum is σ = 1002303199512. Its totient is φ = 829292308416.

The previous prime is 912012133297. The next prime is 912012133369. The reversal of 912012133331 is 133331210219.

It is a happy number.

It is not a de Polignac number, because 912012133331 - 2¹⁸ = 912011871187 is a prime.

It is a super-2 number, since 2×912012133331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 912012133294 and 912012133303.

It is not an unprimeable number, because it can be changed into a prime (912012133391) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40261226 + ... + 40283871.

It is an arithmetic number, because the mean of its divisors is an integer number (83525266626).

Almost surely, 2^912012133331 is an apocalyptic number.

912012133331 is a deficient number, since it is larger than the sum of its proper divisors (90291066181).

912012133331 is a wasteful number, since it uses less digits than its factorization.

912012133331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80545190 (or 80545177 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 29.

The spelling of 912012133331 in words is "nine hundred twelve billion, twelve million, one hundred thirty-three thousand, three hundred thirty-one".