220220102021212 has 24 divisors (see below), whose sum is σ = 387695139554016. Its totient is φ = 109450069854528.

The previous prime is 220220102021207. The next prime is 220220102021239. The reversal of 220220102021212 is 212120201022022.

It is a self number, because there is not a number n which added to its sum of digits gives 220220102021212.

It is a congruent number.

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, 125953578 + ... + 127690030.

It is an arithmetic number, because the mean of its divisors is an integer number (16153964148084).

Almost surely, 2^{220220102021212} is an apocalyptic number.

It is an amenable number.

220220102021212 is a deficient number, since it is larger than the sum of its proper divisors (167475037532804).

220220102021212 is a wasteful number, since it uses less digits than its factorization.

220220102021212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1926477 (or 1926475 counting only the distinct ones).

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

Adding to 220220102021212 its reverse (212120201022022), we get a palindrome (432340303043234).

The spelling of 220220102021212 in words is "two hundred twenty trillion, two hundred twenty billion, one hundred two million, twenty-one thousand, two hundred twelve".