121032042443 has 16 divisors (see below), whose sum is σ = 137218519200. Its totient is φ = 105829286400.

The previous prime is 121032042431. The next prime is 121032042449. The reversal of 121032042443 is 344240230121.

It is a cyclic number.

It is not a de Polignac number, because 121032042443 - 2³⁶ = 52312565707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121032042449) 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 15 ways as a sum of consecutive naturals, for example, 2520563 + ... + 2568131.

It is an arithmetic number, because the mean of its divisors is an integer number (8576157450).

Almost surely, 2^121032042443 is an apocalyptic number.

121032042443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

121032042443 is a deficient number, since it is larger than the sum of its proper divisors (16186476757).

121032042443 is a wasteful number, since it uses less digits than its factorization.

121032042443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57902.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 121032042443 its reverse (344240230121), we get a palindrome (465272272564).

The spelling of 121032042443 in words is "one hundred twenty-one billion, thirty-two million, forty-two thousand, four hundred forty-three".