12121002113303 has 4 divisors (see below), whose sum is σ = 12141442252368. Its totient is φ = 12100561974240.

The previous prime is 12121002113261. The next prime is 12121002113317. The reversal of 12121002113303 is 30331120012121.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12121002113303 - 2⁸ = 12121002113047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12121002113503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10220068643 + ... + 10220069828.

It is an arithmetic number, because the mean of its divisors is an integer number (3035360563092).

Almost surely, 2^{12121002113303} is an apocalyptic number.

12121002113303 is a deficient number, since it is larger than the sum of its proper divisors (20440139065).

12121002113303 is an equidigital number, since it uses as much as digits as its factorization.

12121002113303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20440139064.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 12121002113303 its reverse (30331120012121), we get a palindrome (42452122125424).

The spelling of 12121002113303 in words is "twelve trillion, one hundred twenty-one billion, two million, one hundred thirteen thousand, three hundred three".