121223024112243 has 16 divisors (see below), whose sum is σ = 166938167760896. Its totient is φ = 78164539168320.

The previous prime is 121223024112191. The next prime is 121223024112263. The reversal of 121223024112243 is 342211420322121.

121223024112243 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 121223024112243 - 2²¹ = 121223022015091 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121223024112243.

It is not an unprimeable number, because it can be changed into a prime (121223024112263) 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, 365362330 + ... + 365693967.

It is an arithmetic number, because the mean of its divisors is an integer number (10433635485056).

Almost surely, 2^{121223024112243} is an apocalyptic number.

121223024112243 is a deficient number, since it is larger than the sum of its proper divisors (45715143648653).

121223024112243 is a wasteful number, since it uses less digits than its factorization.

121223024112243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731058114.

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 121223024112243 its reverse (342211420322121), we get a palindrome (463434444434364).

The spelling of 121223024112243 in words is "one hundred twenty-one trillion, two hundred twenty-three billion, twenty-four million, one hundred twelve thousand, two hundred forty-three".