212021033322 has 32 divisors (see below), whose sum is σ = 484728084864. Its totient is φ = 60563865600.

The previous prime is 212021033321. The next prime is 212021033333. The reversal of 212021033322 is 223330120212.

It is a happy number.

212021033322 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (212021033321) 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 15 ways as a sum of consecutive naturals, for example, 375079 + ... + 751482.

It is an arithmetic number, because the mean of its divisors is an integer number (15147752652).

Almost surely, 2^212021033322 is an apocalyptic number.

212021033322 is an abundant number, since it is smaller than the sum of its proper divisors (272707051542).

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

212021033322 is a wasteful number, since it uses less digits than its factorization.

212021033322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1131054.

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

Adding to 212021033322 its reverse (223330120212), we get a palindrome (435351153534).

The spelling of 212021033322 in words is "two hundred twelve billion, twenty-one million, thirty-three thousand, three hundred twenty-two".