202022021212 has 12 divisors (see below), whose sum is σ = 385678404216. Its totient is φ = 91828191440.

The previous prime is 202022021191. The next prime is 202022021231. The reversal of 202022021212 is 212120220202.

202022021212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2295704743 + ... + 2295704830.

It is an arithmetic number, because the mean of its divisors is an integer number (32139867018).

Almost surely, 2^202022021212 is an apocalyptic number.

202022021212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

202022021212 is a deficient number, since it is larger than the sum of its proper divisors (183656383004).

202022021212 is a wasteful number, since it uses less digits than its factorization.

202022021212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4591409588 (or 4591409586 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 202022021212 its reverse (212120220202), we get a palindrome (414142241414).

The spelling of 202022021212 in words is "two hundred two billion, twenty-two million, twenty-one thousand, two hundred twelve".