221212020012199 has 2 divisors, whose sum is σ = 221212020012200. Its totient is φ = 221212020012198.

The previous prime is 221212020012103. The next prime is 221212020012299. The reversal of 221212020012199 is 991210020212122.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 221212020012199 - 2¹³ = 221212020004007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221212020012299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110606010006099 + 110606010006100.

It is an arithmetic number, because the mean of its divisors is an integer number (110606010006100).

Almost surely, 2^{221212020012199} is an apocalyptic number.

221212020012199 is a deficient number, since it is larger than the sum of its proper divisors (1).

221212020012199 is an equidigital number, since it uses as much as digits as its factorization.

221212020012199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 34.

The spelling of 221212020012199 in words is "two hundred twenty-one trillion, two hundred twelve billion, twenty million, twelve thousand, one hundred ninety-nine".