212133108 has 24 divisors (see below), whose sum is σ = 539975520. Its totient is φ = 64282720.

The previous prime is 212133107. The next prime is 212133127. The reversal of 212133108 is 801331212.

212133108 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 803403 + ... + 803666.

It is an arithmetic number, because the mean of its divisors is an integer number (22498980).

Almost surely, 2^212133108 is an apocalyptic number.

It is an amenable number.

212133108 is an abundant number, since it is smaller than the sum of its proper divisors (327842412).

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

212133108 is a wasteful number, since it uses less digits than its factorization.

212133108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1607087 (or 1607085 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 212133108 is about 14564.7900087849. The cubic root of 212133108 is about 596.3979632701.

The spelling of 212133108 in words is "two hundred twelve million, one hundred thirty-three thousand, one hundred eight".