43212152 has 16 divisors (see below), whose sum is σ = 83213160. Its totient is φ = 21021984.

The previous prime is 43212151. The next prime is 43212157. The reversal of 43212152 is 25121234.

It is a super-2 number, since 2×43212152² = 3734580160942208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43212151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72698 + ... + 73289.

Almost surely, 2^43212152 is an apocalyptic number.

It is an amenable number.

43212152 is a deficient number, since it is larger than the sum of its proper divisors (40001008).

43212152 is a wasteful number, since it uses less digits than its factorization.

43212152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146030 (or 146026 counting only the distinct ones).

The product of its digits is 480, while the sum is 20.

The square root of 43212152 is about 6573.5950590221. The cubic root of 43212152 is about 350.9150261155.

Adding to 43212152 its reverse (25121234), we get a palindrome (68333386).

The spelling of 43212152 in words is "forty-three million, two hundred twelve thousand, one hundred fifty-two".