121323102212 has 48 divisors (see below), whose sum is σ = 229512327744. Its totient is φ = 55783728000.

The previous prime is 121323102211. The next prime is 121323102217. The reversal of 121323102212 is 212201323121.

It is not an unprimeable number, because it can be changed into a prime (121323102211) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 40291787 + ... + 40294797.

It is an arithmetic number, because the mean of its divisors is an integer number (4781506828).

Almost surely, 2^121323102212 is an apocalyptic number.

It is an amenable number.

121323102212 is a deficient number, since it is larger than the sum of its proper divisors (108189225532).

121323102212 is a wasteful number, since it uses less digits than its factorization.

121323102212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5700 (or 5698 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 121323102212 its reverse (212201323121), we get a palindrome (333524425333).

The spelling of 121323102212 in words is "one hundred twenty-one billion, three hundred twenty-three million, one hundred two thousand, two hundred twelve".