212001232 has 20 divisors (see below), whose sum is σ = 411258276. Its totient is φ = 105870080.

The previous prime is 212001149. The next prime is 212001233. The reversal of 212001232 is 232100212.

212001232 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 126697536 + 85303696 = 11256^2 + 9236^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212001233) 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, 5982 + ... + 21442.

Almost surely, 2^212001232 is an apocalyptic number.

It is an amenable number.

212001232 is a deficient number, since it is larger than the sum of its proper divisors (199257044).

212001232 is a wasteful number, since it uses less digits than its factorization.

212001232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16326 (or 16320 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 212001232 is about 14560.2620855533. The cubic root of 212001232 is about 596.2743508171.

Adding to 212001232 its reverse (232100212), we get a palindrome (444101444).

The spelling of 212001232 in words is "two hundred twelve million, one thousand, two hundred thirty-two".