12121230133303 has 4 divisors (see below), whose sum is σ = 12121318152720. Its totient is φ = 12121142113888.

The previous prime is 12121230133297. The next prime is 12121230133343. The reversal of 12121230133303 is 30333103212121.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12121230133303 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 (12121230133343) 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, 43802818 + ... + 44078671.

It is an arithmetic number, because the mean of its divisors is an integer number (3030329538180).

Almost surely, 2^{12121230133303} is an apocalyptic number.

12121230133303 is a deficient number, since it is larger than the sum of its proper divisors (88019417).

12121230133303 is an equidigital number, since it uses as much as digits as its factorization.

12121230133303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88019416.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 12121230133303 its reverse (30333103212121), we get a palindrome (42454333345424).

The spelling of 12121230133303 in words is "twelve trillion, one hundred twenty-one billion, two hundred thirty million, one hundred thirty-three thousand, three hundred three".