12002109975 has 36 divisors (see below), whose sum is σ = 21505450200. Its totient is φ = 6398642880.

The previous prime is 12002109971. The next prime is 12002109979. The reversal of 12002109975 is 57990120021.

12002109975 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12002109971) and next prime (12002109979).

It is not a de Polignac number, because 12002109975 - 2² = 12002109971 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12002109971) 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 35 ways as a sum of consecutive naturals, for example, 670441 + ... + 688109.

Almost surely, 2^12002109975 is an apocalyptic number.

12002109975 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12002109975 is a deficient number, since it is larger than the sum of its proper divisors (9503340225).

12002109975 is a wasteful number, since it uses less digits than its factorization.

12002109975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20704 (or 20696 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 36.

Adding to 12002109975 its reverse (57990120021), we get a palindrome (69992229996).

The spelling of 12002109975 in words is "twelve billion, two million, one hundred nine thousand, nine hundred seventy-five".