12131223003 has 12 divisors (see below), whose sum is σ = 17630382120. Its totient is φ = 8037864576.

The previous prime is 12131222993. The next prime is 12131223023. The reversal of 12131223003 is 30032213121.

12131223003 is a `hidden beast` number, since 121 + 312 + 230 + 0 + 3 = 666.

It is not a de Polignac number, because 12131223003 - 2¹³ = 12131214811 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12131223023) 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 11 ways as a sum of consecutive naturals, for example, 4133238 + ... + 4136171.

It is an arithmetic number, because the mean of its divisors is an integer number (1469198510).

Almost surely, 2^12131223003 is an apocalyptic number.

12131223003 is a deficient number, since it is larger than the sum of its proper divisors (5499159117).

12131223003 is a wasteful number, since it uses less digits than its factorization.

12131223003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8269578 (or 8269575 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 12131223003 its reverse (30032213121), we get a palindrome (42163436124).

The spelling of 12131223003 in words is "twelve billion, one hundred thirty-one million, two hundred twenty-three thousand, three".