212206341632 has 40 divisors (see below), whose sum is σ = 428114811696. Its totient is φ = 105073016832.

The previous prime is 212206341511. The next prime is 212206341679. The reversal of 212206341632 is 236143602212.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1959233 + ... + 2064704.

Almost surely, 2^212206341632 is an apocalyptic number.

It is an amenable number.

212206341632 is an abundant number, since it is smaller than the sum of its proper divisors (215908470064).

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

212206341632 is an equidigital number, since it uses as much as digits as its factorization.

212206341632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4024058 (or 4024042 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 212206341632 its reverse (236143602212), we get a palindrome (448349943844).

The spelling of 212206341632 in words is "two hundred twelve billion, two hundred six million, three hundred forty-one thousand, six hundred thirty-two".