12003123002 has 16 divisors (see below), whose sum is σ = 19581641352. Its totient is φ = 5485051200.

The previous prime is 12003122981. The next prime is 12003123019. The reversal of 12003123002 is 20032130021.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 8035508881 + 3967614121 = 89641^2 + 62989^2 .

It is a super-2 number, since 2×12003123002² (a number of 21 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 2282813 + ... + 2288064.

Almost surely, 2^12003123002 is an apocalyptic number.

12003123002 is a deficient number, since it is larger than the sum of its proper divisors (7578518350).

12003123002 is a wasteful number, since it uses less digits than its factorization.

12003123002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4570993.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 12003123002 its reverse (20032130021), we get a palindrome (32035253023).

The spelling of 12003123002 in words is "twelve billion, three million, one hundred twenty-three thousand, two".