122231203212 has 24 divisors (see below), whose sum is σ = 289113076336. Its totient is φ = 40185600768.

The previous prime is 122231203181. The next prime is 122231203261. The reversal of 122231203212 is 212302132221.

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 7 ways as a sum of consecutive naturals, for example, 69765793 + ... + 69767544.

Almost surely, 2^122231203212 is an apocalyptic number.

122231203212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122231203212 is an abundant number, since it is smaller than the sum of its proper divisors (166881873124).

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

122231203212 is a wasteful number, since it uses less digits than its factorization.

122231203212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139533417 (or 139533415 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 122231203212 its reverse (212302132221), we get a palindrome (334533335433).

The spelling of 122231203212 in words is "one hundred twenty-two billion, two hundred thirty-one million, two hundred three thousand, two hundred twelve".