12003131234 has 8 divisors (see below), whose sum is σ = 18009578028. Its totient is φ = 5999938560.

The previous prime is 12003131171. The next prime is 12003131243. The reversal of 12003131234 is 43213130021.

It can be written as a sum of positive squares in 2 ways, for example, as 10877864209 + 1125267025 = 104297^2 + 33545^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 804287 + ... + 819074.

Almost surely, 2^12003131234 is an apocalyptic number.

12003131234 is a deficient number, since it is larger than the sum of its proper divisors (6006446794).

12003131234 is a wasteful number, since it uses less digits than its factorization.

12003131234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1627060.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 12003131234 its reverse (43213130021), we get a palindrome (55216261255).

The spelling of 12003131234 in words is "twelve billion, three million, one hundred thirty-one thousand, two hundred thirty-four".