220201022002212 has 36 divisors (see below), whose sum is σ = 556619702593500. Its totient is φ = 73400280992832.

The previous prime is 220201022002187. The next prime is 220201022002223. The reversal of 220201022002212 is 212200220102022.

220201022002212 is a `hidden beast` number, since 2 + 20 + 201 + 0 + 220 + 0 + 221 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 88918374559716 + 131282647442496 = 9429654^2 + 11457864^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78913414 + ... + 81656162.

It is an arithmetic number, because the mean of its divisors is an integer number (15461658405375).

Almost surely, 2^{220201022002212} is an apocalyptic number.

It is an amenable number.

220201022002212 is an abundant number, since it is smaller than the sum of its proper divisors (336418680591288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220201022002212 is a wasteful number, since it uses less digits than its factorization.

220201022002212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4972892 (or 4972887 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 220201022002212 its reverse (212200220102022), we get a palindrome (432401242104234).

The spelling of 220201022002212 in words is "two hundred twenty trillion, two hundred one billion, twenty-two million, two thousand, two hundred twelve".