212011432 has 16 divisors (see below), whose sum is σ = 397807200. Its totient is φ = 105929520.

The previous prime is 212011427. The next prime is 212011433. The reversal of 212011432 is 234110212.

It is not an unprimeable number, because it can be changed into a prime (212011433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3319 + ... + 20857.

It is an arithmetic number, because the mean of its divisors is an integer number (24862950).

Almost surely, 2^212011432 is an apocalyptic number.

It is an amenable number.

212011432 is a deficient number, since it is larger than the sum of its proper divisors (185795768).

212011432 is a wasteful number, since it uses less digits than its factorization.

212011432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19056 (or 19052 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 212011432 is about 14560.6123497606. The cubic root of 212011432 is about 596.2839134987.

Adding to 212011432 its reverse (234110212), we get a palindrome (446121644).

The spelling of 212011432 in words is "two hundred twelve million, eleven thousand, four hundred thirty-two".