12212021212202 has 24 divisors (see below), whose sum is σ = 21310268144256. Its totient is φ = 5233345805688.

The previous prime is 12212021212177. The next prime is 12212021212319. The reversal of 12212021212202 is 20221212021221.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3127418 + ... + 5848485.

It is an arithmetic number, because the mean of its divisors is an integer number (887927839344).

Almost surely, 2^{12212021212202} is an apocalyptic number.

12212021212202 is a deficient number, since it is larger than the sum of its proper divisors (9098246932054).

12212021212202 is a wasteful number, since it uses less digits than its factorization.

12212021212202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8989802 (or 8989795 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 12212021212202 its reverse (20221212021221), we get a palindrome (32433233233423).

The spelling of 12212021212202 in words is "twelve trillion, two hundred twelve billion, twenty-one million, two hundred twelve thousand, two hundred two".