212021322032 has 40 divisors (see below), whose sum is σ = 443119721856. Its totient is φ = 97694724096.

The previous prime is 212021321999. The next prime is 212021322049. The reversal of 212021322032 is 230223120212.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 212021321995 and 212021322013.

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 7 ways as a sum of consecutive naturals, for example, 713393 + ... + 965904.

Almost surely, 2^212021322032 is an apocalyptic number.

It is an amenable number.

212021322032 is an abundant number, since it is smaller than the sum of its proper divisors (231098399824).

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

212021322032 is a wasteful number, since it uses less digits than its factorization.

212021322032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1679925 (or 1679919 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 212021322032 its reverse (230223120212), we get a palindrome (442244442244).

The spelling of 212021322032 in words is "two hundred twelve billion, twenty-one million, three hundred twenty-two thousand, thirty-two".