212002220110220 has 24 divisors (see below), whose sum is σ = 454677101855424. Its totient is φ = 82996613830016.

The previous prime is 212002220110207. The next prime is 212002220110223. The reversal of 212002220110220 is 22011022200212.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (212002220110223) 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 7 ways as a sum of consecutive naturals, for example, 112767137417 + ... + 112767139296.

It is an arithmetic number, because the mean of its divisors is an integer number (18944879243976).

Almost surely, 2^{212002220110220} is an apocalyptic number.

212002220110220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212002220110220 is an abundant number, since it is smaller than the sum of its proper divisors (242674881745204).

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

212002220110220 is a wasteful number, since it uses less digits than its factorization.

212002220110220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225534276769 (or 225534276767 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 212002220110220 its reverse (22011022200212), we get a palindrome (234013242310432).

The spelling of 212002220110220 in words is "two hundred twelve trillion, two billion, two hundred twenty million, one hundred ten thousand, two hundred twenty".