133210112212 has 24 divisors (see below), whose sum is σ = 233484249600. Its totient is φ = 66500413536.

The previous prime is 133210112171. The next prime is 133210112219. The reversal of 133210112212 is 212211012331.

It is a self number, because there is not a number n which added to its sum of digits gives 133210112212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133210112219) 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, 6972489 + ... + 6991567.

It is an arithmetic number, because the mean of its divisors is an integer number (9728510400).

Almost surely, 2^133210112212 is an apocalyptic number.

It is an amenable number.

133210112212 is a deficient number, since it is larger than the sum of its proper divisors (100274137388).

133210112212 is a wasteful number, since it uses less digits than its factorization.

133210112212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21735 (or 21733 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 133210112212 its reverse (212211012331), we get a palindrome (345421124543).

The spelling of 133210112212 in words is "one hundred thirty-three billion, two hundred ten million, one hundred twelve thousand, two hundred twelve".