133100212 has 24 divisors (see below), whose sum is σ = 269196480. Its totient is φ = 56400960.

The previous prime is 133100183. The next prime is 133100237. The reversal of 133100212 is 212001331.

It is a junction number, because it is equal to n+sod(n) for n = 133100192 and 133100201.

It is a congruent number.

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, 24214 + ... + 29197.

It is an arithmetic number, because the mean of its divisors is an integer number (11216520).

Almost surely, 2^133100212 is an apocalyptic number.

It is an amenable number.

133100212 is an abundant number, since it is smaller than the sum of its proper divisors (136096268).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133100212 is a wasteful number, since it uses less digits than its factorization.

133100212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53511 (or 53509 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 133100212 is about 11536.9065177802. The cubic root of 133100212 is about 510.5750427763.

Adding to 133100212 its reverse (212001331), we get a palindrome (345101543).

The spelling of 133100212 in words is "one hundred thirty-three million, one hundred thousand, two hundred twelve".