30133112312 has 16 divisors (see below), whose sum is σ = 56501565360. Its totient is φ = 15066028224.

The previous prime is 30133112299. The next prime is 30133112351. The reversal of 30133112312 is 21321133103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 288773 + ... + 379019.

It is an arithmetic number, because the mean of its divisors is an integer number (3531347835).

Almost surely, 2^30133112312 is an apocalyptic number.

It is an amenable number.

30133112312 is a deficient number, since it is larger than the sum of its proper divisors (26368453048).

30133112312 is a wasteful number, since it uses less digits than its factorization.

30133112312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131990 (or 131986 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 30133112312 its reverse (21321133103), we get a palindrome (51454245415).

The spelling of 30133112312 in words is "thirty billion, one hundred thirty-three million, one hundred twelve thousand, three hundred twelve".