121320003123303 has 16 divisors (see below), whose sum is σ = 171357603001056. Its totient is φ = 76085775134720.

The previous prime is 121320003123217. The next prime is 121320003123311. The reversal of 121320003123303 is 303321300023121.

121320003123303 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 121320003123303 - 2²¹ = 121320001026151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121320003123313) 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, 571451676 + ... + 571663937.

It is an arithmetic number, because the mean of its divisors is an integer number (10709850187566).

Almost surely, 2^{121320003123303} is an apocalyptic number.

121320003123303 is a deficient number, since it is larger than the sum of its proper divisors (50037599877753).

121320003123303 is a wasteful number, since it uses less digits than its factorization.

121320003123303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1143117714.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 121320003123303 its reverse (303321300023121), we get a palindrome (424641303146424).

The spelling of 121320003123303 in words is "one hundred twenty-one trillion, three hundred twenty billion, three million, one hundred twenty-three thousand, three hundred three".