133301212 has 48 divisors (see below), whose sum is σ = 263757312. Its totient is φ = 58423680.

The previous prime is 133301191. The next prime is 133301219. The reversal of 133301212 is 212103331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133301219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150523 + ... + 151405.

It is an arithmetic number, because the mean of its divisors is an integer number (5494944).

Almost surely, 2^133301212 is an apocalyptic number.

It is an amenable number.

133301212 is a deficient number, since it is larger than the sum of its proper divisors (130456100).

133301212 is a wasteful number, since it uses less digits than its factorization.

133301212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1018 (or 1016 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 133301212 is about 11545.6144054788. The cubic root of 133301212 is about 510.8319268330.

Adding to 133301212 its reverse (212103331), we get a palindrome (345404543).

The spelling of 133301212 in words is "one hundred thirty-three million, three hundred one thousand, two hundred twelve".