121412100331443 has 16 divisors (see below), whose sum is σ = 164163837542400. Its totient is φ = 79800895527360.

The previous prime is 121412100331433. The next prime is 121412100331607. The reversal of 121412100331443 is 344133001214121.

It is not a de Polignac number, because 121412100331443 - 2⁴ = 121412100331427 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121412100331443.

It is not an unprimeable number, because it can be changed into a prime (121412100331433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35248078 + ... + 38538956.

It is an arithmetic number, because the mean of its divisors is an integer number (10260239846400).

Almost surely, 2^{121412100331443} is an apocalyptic number.

121412100331443 is a deficient number, since it is larger than the sum of its proper divisors (42751737210957).

121412100331443 is a wasteful number, since it uses less digits than its factorization.

121412100331443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3464162.

The product of its (nonzero) digits is 6912, while the sum is 30.

Adding to 121412100331443 its reverse (344133001214121), we get a palindrome (465545101545564).

The spelling of 121412100331443 in words is "one hundred twenty-one trillion, four hundred twelve billion, one hundred million, three hundred thirty-one thousand, four hundred forty-three".