133212004 has 24 divisors (see below), whose sum is σ = 236144160. Its totient is φ = 65747136.

The previous prime is 133211989. The next prime is 133212011. The reversal of 133212004 is 400212331.

It is a happy number.

It is a pancake number, because a pancake can be divided into 133212004 parts by 16322 straight cuts.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 233832 + ... + 234400.

It is an arithmetic number, because the mean of its divisors is an integer number (9839340).

Almost surely, 2^133212004 is an apocalyptic number.

It is an amenable number.

133212004 is a deficient number, since it is larger than the sum of its proper divisors (102932156).

133212004 is a wasteful number, since it uses less digits than its factorization.

133212004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1227 (or 1225 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 133212004 is about 11541.7504738233. The cubic root of 133212004 is about 510.7179482148.

Adding to 133212004 its reverse (400212331), we get a palindrome (533424335).

The spelling of 133212004 in words is "one hundred thirty-three million, two hundred twelve thousand, four".