20002201022212 has 24 divisors (see below), whose sum is σ = 35027356354200. Its totient is φ = 9994386963456.

The previous prime is 20002201022203. The next prime is 20002201022233. The reversal of 20002201022212 is 21222010220002.

It can be written as a sum of positive squares in 4 ways, for example, as 1583203128516 + 18418997893696 = 1258254^2 + 4291736^2 .

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, 39437364 + ... + 39941332.

It is an arithmetic number, because the mean of its divisors is an integer number (1459473181425).

Almost surely, 2^{20002201022212} is an apocalyptic number.

It is an amenable number.

20002201022212 is a deficient number, since it is larger than the sum of its proper divisors (15025155331988).

20002201022212 is a wasteful number, since it uses less digits than its factorization.

20002201022212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510615 (or 510613 counting only the distinct ones).

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

Adding to 20002201022212 its reverse (21222010220002), we get a palindrome (41224211242214).

The spelling of 20002201022212 in words is "twenty trillion, two billion, two hundred one million, twenty-two thousand, two hundred twelve".