212220020212110 has 48 divisors (see below), whose sum is σ = 551794023003600. Its totient is φ = 56589752010240.

The previous prime is 212220020212097. The next prime is 212220020212111. The reversal of 212220020212110 is 11212020022212.

It is a happy number.

212220020212110 is a `hidden beast` number, since 2 + 122 + 200 + 20 + 212 + 110 = 666.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212220020212111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44671960 + ... + 49193739.

It is an arithmetic number, because the mean of its divisors is an integer number (11495708812575).

Almost surely, 2^{212220020212110} is an apocalyptic number.

212220020212110 is an abundant number, since it is smaller than the sum of its proper divisors (339574002791490).

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

212220020212110 is a wasteful number, since it uses less digits than its factorization.

212220020212110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93890833 (or 93890830 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 212220020212110 its reverse (11212020022212), we get a palindrome (223432040234322).

The spelling of 212220020212110 in words is "two hundred twelve trillion, two hundred twenty billion, twenty million, two hundred twelve thousand, one hundred ten".