133130012 has 6 divisors (see below), whose sum is σ = 232977528. Its totient is φ = 66565004.

The previous prime is 133129987. The next prime is 133130047. The reversal of 133130012 is 210031331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16641248 + ... + 16641255.

It is an arithmetic number, because the mean of its divisors is an integer number (38829588).

Almost surely, 2^133130012 is an apocalyptic number.

It is an amenable number.

133130012 is a deficient number, since it is larger than the sum of its proper divisors (99847516).

133130012 is a wasteful number, since it uses less digits than its factorization.

133130012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33282507 (or 33282505 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 133130012 is about 11538.1979528868. The cubic root of 133130012 is about 510.6131443958.

Adding to 133130012 its reverse (210031331), we get a palindrome (343161343).

The spelling of 133130012 in words is "one hundred thirty-three million, one hundred thirty thousand, twelve".