212121010032 has 20 divisors (see below), whose sum is σ = 547979276040. Its totient is φ = 70707003328.

The previous prime is 212121010019. The next prime is 212121010043. The reversal of 212121010032 is 230010121212.

It is a super-3 number, since 3×212121010032³ (a number of 35 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212121009993 and 212121010020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2209593807 + ... + 2209593902.

It is an arithmetic number, because the mean of its divisors is an integer number (27398963802).

Almost surely, 2^212121010032 is an apocalyptic number.

It is an amenable number.

212121010032 is an abundant number, since it is smaller than the sum of its proper divisors (335858266008).

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

212121010032 is a wasteful number, since it uses less digits than its factorization.

212121010032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4419187720 (or 4419187714 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 212121010032 its reverse (230010121212), we get a palindrome (442131131244).

The spelling of 212121010032 in words is "two hundred twelve billion, one hundred twenty-one million, ten thousand, thirty-two".