121432300044 has 24 divisors (see below), whose sum is σ = 309100400448. Its totient is φ = 36797666640.

The previous prime is 121432300021. The next prime is 121432300051. The reversal of 121432300044 is 440003234121.

It is a junction number, because it is equal to n+sod(n) for n = 121432299987 and 121432300023.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 459970702 + ... + 459970965.

It is an arithmetic number, because the mean of its divisors is an integer number (12879183352).

Almost surely, 2^121432300044 is an apocalyptic number.

It is an amenable number.

121432300044 is an abundant number, since it is smaller than the sum of its proper divisors (187668100404).

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

121432300044 is a wasteful number, since it uses less digits than its factorization.

121432300044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919941685 (or 919941683 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 121432300044 its reverse (440003234121), we get a palindrome (561435534165).

The spelling of 121432300044 in words is "one hundred twenty-one billion, four hundred thirty-two million, three hundred thousand, forty-four".