121443104432 has 40 divisors (see below), whose sum is σ = 253497316800. Its totient is φ = 56028188160.

The previous prime is 121443104429. The next prime is 121443104491. The reversal of 121443104432 is 234401344121.

It is a super-2 number, since 2×121443104432² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121443104395 and 121443104404.

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, 408569 + ... + 640167.

It is an arithmetic number, because the mean of its divisors is an integer number (6337432920).

Almost surely, 2^121443104432 is an apocalyptic number.

It is an amenable number.

121443104432 is an abundant number, since it is smaller than the sum of its proper divisors (132054212368).

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

121443104432 is a wasteful number, since it uses less digits than its factorization.

121443104432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234141 (or 234135 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 121443104432 its reverse (234401344121), we get a palindrome (355844448553).

The spelling of 121443104432 in words is "one hundred twenty-one billion, four hundred forty-three million, one hundred four thousand, four hundred thirty-two".