121220322232 has 24 divisors (see below), whose sum is σ = 229392626400. Its totient is φ = 60054057504.

The previous prime is 121220322133. The next prime is 121220322233. The reversal of 121220322232 is 232223022121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121220322233) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 542632 + ... + 732727.

It is an arithmetic number, because the mean of its divisors is an integer number (9558026100).

Almost surely, 2^121220322232 is an apocalyptic number.

It is an amenable number.

121220322232 is a deficient number, since it is larger than the sum of its proper divisors (108172304168).

121220322232 is a wasteful number, since it uses less digits than its factorization.

121220322232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1275583 (or 1275470 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 121220322232 its reverse (232223022121), we get a palindrome (353443344353).

The spelling of 121220322232 in words is "one hundred twenty-one billion, two hundred twenty million, three hundred twenty-two thousand, two hundred thirty-two".