12121333003 has 4 divisors (see below), whose sum is σ = 13053743248. Its totient is φ = 11188922760.

The previous prime is 12121333001. The next prime is 12121333019. The reversal of 12121333003 is 30033312121.

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 12121333003 - 2¹ = 12121333001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12121333001) 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 3 ways as a sum of consecutive naturals, for example, 466205103 + ... + 466205128.

It is an arithmetic number, because the mean of its divisors is an integer number (3263435812).

Almost surely, 2^12121333003 is an apocalyptic number.

12121333003 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12121333003 is a deficient number, since it is larger than the sum of its proper divisors (932410245).

12121333003 is an equidigital number, since it uses as much as digits as its factorization.

12121333003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 932410244.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 12121333003 its reverse (30033312121), we get a palindrome (42154645124).

The spelling of 12121333003 in words is "twelve billion, one hundred twenty-one million, three hundred thirty-three thousand, three".