212120122219 has 8 divisors (see below), whose sum is σ = 212260144640. Its totient is φ = 211980151656.

The previous prime is 212120122189. The next prime is 212120122229. The reversal of 212120122219 is 912221021212.

It is a happy number.

212120122219 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212120122219 - 2⁵ = 212120122187 is a prime.

It is a super-2 number, since 2×212120122219² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212120122193 and 212120122202.

It is not an unprimeable number, because it can be changed into a prime (212120122229) 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, 11027392 + ... + 11046610.

It is an arithmetic number, because the mean of its divisors is an integer number (26532518080).

Almost surely, 2^212120122219 is an apocalyptic number.

212120122219 is a deficient number, since it is larger than the sum of its proper divisors (140022421).

212120122219 is a wasteful number, since it uses less digits than its factorization.

212120122219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25929.

The product of its (nonzero) digits is 576, while the sum is 25.

The spelling of 212120122219 in words is "two hundred twelve billion, one hundred twenty million, one hundred twenty-two thousand, two hundred nineteen".