121210202003 has 8 divisors (see below), whose sum is σ = 132233159856. Its totient is φ = 110187885600.

The previous prime is 121210201997. The next prime is 121210202063. The reversal of 121210202003 is 300202012121.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 121210202003 - 2³⁰ = 120136460179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121210202063) 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 7 ways as a sum of consecutive naturals, for example, 289673 + ... + 571253.

It is an arithmetic number, because the mean of its divisors is an integer number (16529144982).

Almost surely, 2^121210202003 is an apocalyptic number.

121210202003 is a deficient number, since it is larger than the sum of its proper divisors (11022957853).

121210202003 is a wasteful number, since it uses less digits than its factorization.

121210202003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320725.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 121210202003 its reverse (300202012121), we get a palindrome (421412214124).

The spelling of 121210202003 in words is "one hundred twenty-one billion, two hundred ten million, two hundred two thousand, three".