212133104 has 20 divisors (see below), whose sum is σ = 420567576. Its totient is φ = 103599552.

The previous prime is 212133101. The next prime is 212133107. The reversal of 212133104 is 401331212.

It is an interprime number because it is at equal distance from previous prime (212133101) and next prime (212133107).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212133101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153479 + ... + 154854.

Almost surely, 2^212133104 is an apocalyptic number.

It is an amenable number.

212133104 is a deficient number, since it is larger than the sum of its proper divisors (208434472).

212133104 is a wasteful number, since it uses less digits than its factorization.

212133104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308384 (or 308378 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 212133104 is about 14564.7898714674. The cubic root of 212133104 is about 596.3979595216.

Adding to 212133104 its reverse (401331212), we get a palindrome (613464316).

The spelling of 212133104 in words is "two hundred twelve million, one hundred thirty-three thousand, one hundred four".