122221123206 has 32 divisors (see below), whose sum is σ = 300851996928. Its totient is φ = 32234142240.

The previous prime is 122221123151. The next prime is 122221123253. The reversal of 122221123206 is 602321122221.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 111923560 + ... + 111924651.

It is an arithmetic number, because the mean of its divisors is an integer number (9401624904).

Almost surely, 2^122221123206 is an apocalyptic number.

122221123206 is an abundant number, since it is smaller than the sum of its proper divisors (178630873722).

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

122221123206 is a wasteful number, since it uses less digits than its factorization.

122221123206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223848236.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 122221123206 its reverse (602321122221), we get a palindrome (724542245427).

The spelling of 122221123206 in words is "one hundred twenty-two billion, two hundred twenty-one million, one hundred twenty-three thousand, two hundred six".