212021032332 has 12 divisors (see below), whose sum is σ = 494715742136. Its totient is φ = 70673677440.

The previous prime is 212021032297. The next prime is 212021032337. The reversal of 212021032332 is 233230120212.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×212021032332² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212021032299 and 212021032308.

It is not an unprimeable number, because it can be changed into a prime (212021032337) 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, 8834209669 + ... + 8834209692.

Almost surely, 2^212021032332 is an apocalyptic number.

It is an amenable number.

212021032332 is an abundant number, since it is smaller than the sum of its proper divisors (282694709804).

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

212021032332 is a wasteful number, since it uses less digits than its factorization.

212021032332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17668419368 (or 17668419366 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 212021032332 its reverse (233230120212), we get a palindrome (445251152544).

The spelling of 212021032332 in words is "two hundred twelve billion, twenty-one million, thirty-two thousand, three hundred thirty-two".