220000022212 has 12 divisors (see below), whose sum is σ = 385179876396. Its totient is φ = 109948628960.

The previous prime is 220000022189. The next prime is 220000022213. The reversal of 220000022212 is 212220000022.

220000022212 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 120835492996 + 99164529216 = 347614^2 + 314904^2 .

It is a junction number, because it is equal to n+sod(n) for n = 220000022192 and 220000022201.

It is not an unprimeable number, because it can be changed into a prime (220000022213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12835903 + ... + 12853030.

It is an arithmetic number, because the mean of its divisors is an integer number (32098323033).

Almost surely, 2^220000022212 is an apocalyptic number.

It is an amenable number.

220000022212 is a deficient number, since it is larger than the sum of its proper divisors (165179854184).

220000022212 is a wasteful number, since it uses less digits than its factorization.

220000022212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25691078 (or 25691076 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 220000022212 its reverse (212220000022), we get a palindrome (432220022234).

It can be divided in two parts, 220000022 and 212, that multiplied together give a palindrome (46640004664).

The spelling of 220000022212 in words is "two hundred twenty billion, twenty-two thousand, two hundred twelve".