33212134 has 16 divisors (see below), whose sum is σ = 51750720. Its totient is φ = 15966720.

The previous prime is 33212131. The next prime is 33212141. The reversal of 33212134 is 43121233.

It is a super-2 number, since 2×33212134² = 2206091689667912, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33212131) 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, 14662 + ... + 16774.

It is an arithmetic number, because the mean of its divisors is an integer number (3234420).

Almost surely, 2^33212134 is an apocalyptic number.

33212134 is a deficient number, since it is larger than the sum of its proper divisors (18538586).

33212134 is a wasteful number, since it uses less digits than its factorization.

33212134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2415.

The product of its digits is 432, while the sum is 19.

The square root of 33212134 is about 5762.9969633863. The cubic root of 33212134 is about 321.4392656007.

Adding to 33212134 its reverse (43121233), we get a palindrome (76333367).

Subtracting 33212134 from its reverse (43121233), we obtain a palindrome (9909099).

The spelling of 33212134 in words is "thirty-three million, two hundred twelve thousand, one hundred thirty-four".