133112012 has 24 divisors (see below), whose sum is σ = 255197712. Its totient is φ = 60249600.

The previous prime is 133112011. The next prime is 133112029. The reversal of 133112012 is 210211331.

It is not an unprimeable number, because it can be changed into a prime (133112011) 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, 4328 + ... + 16880.

It is an arithmetic number, because the mean of its divisors is an integer number (10633238).

Almost surely, 2^133112012 is an apocalyptic number.

It is an amenable number.

133112012 is a deficient number, since it is larger than the sum of its proper divisors (122085700).

133112012 is a wasteful number, since it uses less digits than its factorization.

133112012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12809 (or 12807 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 133112012 is about 11537.4179087004. The cubic root of 133112012 is about 510.5901306748.

Adding to 133112012 its reverse (210211331), we get a palindrome (343323343).

The spelling of 133112012 in words is "one hundred thirty-three million, one hundred twelve thousand, twelve".