212732432 has 20 divisors (see below), whose sum is σ = 449639376. Its totient is φ = 96696480.

The previous prime is 212732431. The next prime is 212732453. The reversal of 212732432 is 234237212.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (212732431) 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, 604178 + ... + 604529.

Almost surely, 2^212732432 is an apocalyptic number.

212732432 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

212732432 is an abundant number, since it is smaller than the sum of its proper divisors (236906944).

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

212732432 is a wasteful number, since it uses less digits than its factorization.

212732432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1208726 (or 1208720 counting only the distinct ones).

The product of its digits is 4032, while the sum is 26.

The square root of 212732432 is about 14585.3499100981. The cubic root of 212732432 is about 596.9590882033.

Adding to 212732432 its reverse (234237212), we get a palindrome (446969644).

The spelling of 212732432 in words is "two hundred twelve million, seven hundred thirty-two thousand, four hundred thirty-two".