12121333303 has 4 divisors (see below), whose sum is σ = 12246295600. Its totient is φ = 11996371008.

The previous prime is 12121333291. The next prime is 12121333307. The reversal of 12121333303 is 30333312121.

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 12121333303 - 2⁹ = 12121332791 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 (12121333307) 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, 62481003 + ... + 62481196.

It is an arithmetic number, because the mean of its divisors is an integer number (3061573900).

Almost surely, 2^12121333303 is an apocalyptic number.

12121333303 is a deficient number, since it is larger than the sum of its proper divisors (124962297).

12121333303 is an equidigital number, since it uses as much as digits as its factorization.

12121333303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124962296.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 12121333303 its reverse (30333312121), we get a palindrome (42454645424).

The spelling of 12121333303 in words is "twelve billion, one hundred twenty-one million, three hundred thirty-three thousand, three hundred three".