122208781966 has 8 divisors (see below), whose sum is σ = 183599154864. Its totient is φ = 61009063680.

The previous prime is 122208781927. The next prime is 122208781973. The reversal of 122208781966 is 669187802221.

122208781966 is digitally balanced in base 3, 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 super-2 number, since 2×122208781966² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47662050 + ... + 47664613.

It is an arithmetic number, because the mean of its divisors is an integer number (22949894358).

Almost surely, 2^122208781966 is an apocalyptic number.

122208781966 is a deficient number, since it is larger than the sum of its proper divisors (61390372898).

122208781966 is an equidigital number, since it uses as much as digits as its factorization.

122208781966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95327306.

The product of its (nonzero) digits is 1161216, while the sum is 52.

The spelling of 122208781966 in words is "one hundred twenty-two billion, two hundred eight million, seven hundred eighty-one thousand, nine hundred sixty-six".