12121003003 has 8 divisors (see below), whose sum is σ = 12178045440. Its totient is φ = 12063993000.

The previous prime is 12121002997. The next prime is 12121003039. The reversal of 12121003003 is 30030012121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12121003003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12121003073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1072858 + ... + 1084096.

It is an arithmetic number, because the mean of its divisors is an integer number (1522255680).

Almost surely, 2^12121003003 is an apocalyptic number.

12121003003 is a deficient number, since it is larger than the sum of its proper divisors (57042437).

12121003003 is a wasteful number, since it uses less digits than its factorization.

12121003003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16217.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 12121003003 its reverse (30030012121), we get a palindrome (42151015124).

The spelling of 12121003003 in words is "twelve billion, one hundred twenty-one million, three thousand, three".