12003111412 has 12 divisors (see below), whose sum is σ = 21006350820. Its totient is φ = 6001296896.

The previous prime is 12003111311. The next prime is 12003111413. The reversal of 12003111412 is 21411130021.

It can be written as a sum of positive squares in 2 ways, for example, as 4655878756 + 7347232656 = 68234^2 + 85716^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12003111413) 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 3 ways as a sum of consecutive naturals, for example, 71508 + ... + 170644.

It is an arithmetic number, because the mean of its divisors is an integer number (1750529235).

Almost surely, 2^12003111412 is an apocalyptic number.

It is an amenable number.

12003111412 is a deficient number, since it is larger than the sum of its proper divisors (9003239408).

12003111412 is a wasteful number, since it uses less digits than its factorization.

12003111412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129410 (or 129408 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 12003111412 its reverse (21411130021), we get a palindrome (33414241433).

The spelling of 12003111412 in words is "twelve billion, three million, one hundred eleven thousand, four hundred twelve".