220100030101212 has 12 divisors (see below), whose sum is σ = 513566736902856. Its totient is φ = 73366676700400.

The previous prime is 220100030101163. The next prime is 220100030101277. The reversal of 220100030101212 is 212101030001022.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 220100030101191 and 220100030101200.

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 3 ways as a sum of consecutive naturals, for example, 9170834587539 + ... + 9170834587562.

It is an arithmetic number, because the mean of its divisors is an integer number (42797228075238).

Almost surely, 2^{220100030101212} is an apocalyptic number.

It is an amenable number.

220100030101212 is an abundant number, since it is smaller than the sum of its proper divisors (293466706801644).

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

220100030101212 is a wasteful number, since it uses less digits than its factorization.

220100030101212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18341669175108 (or 18341669175106 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 220100030101212 its reverse (212101030001022), we get a palindrome (432201060102234).

The spelling of 220100030101212 in words is "two hundred twenty trillion, one hundred billion, thirty million, one hundred one thousand, two hundred twelve".