12109209003 has 48 divisors (see below), whose sum is σ = 18323629792. Its totient is φ = 7698240000.

The previous prime is 12109208983. The next prime is 12109209017. The reversal of 12109209003 is 30090290121.

It is not a de Polignac number, because 12109209003 - 2⁵ = 12109208971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12109609003) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6722703 + ... + 6724503.

Almost surely, 2^12109209003 is an apocalyptic number.

12109209003 is a deficient number, since it is larger than the sum of its proper divisors (6214420789).

12109209003 is a wasteful number, since it uses less digits than its factorization.

12109209003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2236 (or 2233 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

Adding to 12109209003 its reverse (30090290121), we get a palindrome (42199499124).

The spelling of 12109209003 in words is "twelve billion, one hundred nine million, two hundred nine thousand, three".