212032121020 has 24 divisors (see below), whose sum is σ = 448773502464. Its totient is φ = 84145029696.

The previous prime is 212032121003. The next prime is 212032121029. The reversal of 212032121020 is 20121230212.

It is a happy number.

212032121020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 212032120985 and 212032121003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212032121029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41736067 + ... + 41741146.

It is an arithmetic number, because the mean of its divisors is an integer number (18698895936).

Almost surely, 2^212032121020 is an apocalyptic number.

212032121020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212032121020 is an abundant number, since it is smaller than the sum of its proper divisors (236741381444).

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

212032121020 is a wasteful number, since it uses less digits than its factorization.

212032121020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83477349 (or 83477347 counting only the distinct ones).

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

Adding to 212032121020 its reverse (20121230212), we get a palindrome (232153351232).

The spelling of 212032121020 in words is "two hundred twelve billion, thirty-two million, one hundred twenty-one thousand, twenty".