220100202001212 has 96 divisors (see below), whose sum is σ = 559745648616000. Its totient is φ = 66909555228672.

The previous prime is 220100202001157. The next prime is 220100202001231. The reversal of 220100202001212 is 212100202001022.

It is a junction number, because it is equal to n+sod(n) for n = 220100202001191 and 220100202001200.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 12610053 + ... + 24478844.

It is an arithmetic number, because the mean of its divisors is an integer number (5830683839750).

Almost surely, 2^{220100202001212} is an apocalyptic number.

It is an amenable number.

220100202001212 is an abundant number, since it is smaller than the sum of its proper divisors (339645446614788).

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

220100202001212 is a wasteful number, since it uses less digits than its factorization.

220100202001212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37089375 (or 37089373 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 220100202001212 its reverse (212100202001022), we get a palindrome (432200404002234).

The spelling of 220100202001212 in words is "two hundred twenty trillion, one hundred billion, two hundred two million, one thousand, two hundred twelve".