121330222212 has 12 divisors (see below), whose sum is σ = 283103851856. Its totient is φ = 40443407400.

The previous prime is 121330222207. The next prime is 121330222267. The reversal of 121330222212 is 212222033121.

It is a tau number, because it is divible by the number of its divisors (12).

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, 5055425914 + ... + 5055425937.

Almost surely, 2^121330222212 is an apocalyptic number.

121330222212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121330222212 is an abundant number, since it is smaller than the sum of its proper divisors (161773629644).

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

121330222212 is a wasteful number, since it uses less digits than its factorization.

121330222212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10110851858 (or 10110851856 counting only the distinct ones).

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

Adding to 121330222212 its reverse (212222033121), we get a palindrome (333552255333).

The spelling of 121330222212 in words is "one hundred twenty-one billion, three hundred thirty million, two hundred twenty-two thousand, two hundred twelve".