121223133232 has 40 divisors (see below), whose sum is σ = 239707425600. Its totient is φ = 59373264192.

The previous prime is 121223133217. The next prime is 121223133259. The reversal of 121223133232 is 232331322121.

It is a junction number, because it is equal to n+sod(n) for n = 121223133197 and 121223133206.

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, 123982 + ... + 507757.

It is an arithmetic number, because the mean of its divisors is an integer number (5992685640).

Almost surely, 2^121223133232 is an apocalyptic number.

It is an amenable number.

121223133232 is a deficient number, since it is larger than the sum of its proper divisors (118484292368).

121223133232 is a wasteful number, since it uses less digits than its factorization.

121223133232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631993 (or 631987 counting only the distinct ones).

The product of its digits is 2592, while the sum is 25.

Adding to 121223133232 its reverse (232331322121), we get a palindrome (353554455353).

The spelling of 121223133232 in words is "one hundred twenty-one billion, two hundred twenty-three million, one hundred thirty-three thousand, two hundred thirty-two".