202220100122212 has 24 divisors (see below), whose sum is σ = 354165906427200. Its totient is φ = 101029842761760.

The previous prime is 202220100122197. The next prime is 202220100122459. The reversal of 202220100122212 is 212221001022202.

It is a self number, because there is not a number n which added to its sum of digits gives 202220100122212.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 861086287 + ... + 861321097.

It is an arithmetic number, because the mean of its divisors is an integer number (14756912767800).

Almost surely, 2^{202220100122212} is an apocalyptic number.

It is an amenable number.

202220100122212 is a deficient number, since it is larger than the sum of its proper divisors (151945806304988).

202220100122212 is a wasteful number, since it uses less digits than its factorization.

202220100122212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404691 (or 404689 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 202220100122212 its reverse (212221001022202), we get a palindrome (414441101144414).

The spelling of 202220100122212 in words is "two hundred two trillion, two hundred twenty billion, one hundred million, one hundred twenty-two thousand, two hundred twelve".