12103203004 has 12 divisors (see below), whose sum is σ = 21527828728. Its totient is φ = 5952394800.

The previous prime is 12103203001. The next prime is 12103203011. The reversal of 12103203004 is 40030230121.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12103203001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24801402 + ... + 24801889.

Almost surely, 2^12103203004 is an apocalyptic number.

It is an amenable number.

12103203004 is a deficient number, since it is larger than the sum of its proper divisors (9424625724).

12103203004 is a wasteful number, since it uses less digits than its factorization.

12103203004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49603356 (or 49603354 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 12103203004 its reverse (40030230121), we get a palindrome (52133433125).

The spelling of 12103203004 in words is "twelve billion, one hundred three million, two hundred three thousand, four".