12003214172 has 24 divisors (see below), whose sum is σ = 21581916720. Its totient is φ = 5839050240.

The previous prime is 12003214133. The next prime is 12003214177. The reversal of 12003214172 is 27141230021.

12003214172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12003214177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 239279 + ... + 285062.

It is an arithmetic number, because the mean of its divisors is an integer number (899246530).

Almost surely, 2^12003214172 is an apocalyptic number.

It is an amenable number.

12003214172 is a deficient number, since it is larger than the sum of its proper divisors (9578702548).

12003214172 is a wasteful number, since it uses less digits than its factorization.

12003214172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524501 (or 524499 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

Adding to 12003214172 its reverse (27141230021), we get a palindrome (39144444193).

The spelling of 12003214172 in words is "twelve billion, three million, two hundred fourteen thousand, one hundred seventy-two".