121433321432 has 64 divisors (see below), whose sum is σ = 233752780800. Its totient is φ = 59118284160.

The previous prime is 121433321393. The next prime is 121433321437. The reversal of 121433321432 is 234123334121.

It is a junction number, because it is equal to n+sod(n) for n = 121433321395 and 121433321404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121433321437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39437669 + ... + 39440747.

It is an arithmetic number, because the mean of its divisors is an integer number (3652387200).

Almost surely, 2^121433321432 is an apocalyptic number.

It is an amenable number.

121433321432 is a deficient number, since it is larger than the sum of its proper divisors (112319459368).

121433321432 is a wasteful number, since it uses less digits than its factorization.

121433321432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3816 (or 3812 counting only the distinct ones).

The product of its digits is 10368, while the sum is 29.

Adding to 121433321432 its reverse (234123334121), we get a palindrome (355556655553).

The spelling of 121433321432 in words is "one hundred twenty-one billion, four hundred thirty-three million, three hundred twenty-one thousand, four hundred thirty-two".