202220212212212 has 12 divisors (see below), whose sum is σ = 357533674169700. Its totient is φ = 100067733878016.

The previous prime is 202220212212197. The next prime is 202220212212281. The reversal of 202220212212212 is 212212212022202.

It can be written as a sum of positive squares in 2 ways, for example, as 78217644917476 + 124002567294736 = 8844074^2 + 11135644^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 260593056587 + ... + 260593057362.

It is an arithmetic number, because the mean of its divisors is an integer number (29794472847475).

Almost surely, 2^{202220212212212} is an apocalyptic number.

It is an amenable number.

202220212212212 is a deficient number, since it is larger than the sum of its proper divisors (155313461957488).

202220212212212 is a wasteful number, since it uses less digits than its factorization.

202220212212212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521186114050 (or 521186114048 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 202220212212212 its reverse (212212212022202), we get a palindrome (414432424234414).

The spelling of 202220212212212 in words is "two hundred two trillion, two hundred twenty billion, two hundred twelve million, two hundred twelve thousand, two hundred twelve".