12002103143 has 16 divisors (see below), whose sum is σ = 12520720800. Its totient is φ = 11494801920.

The previous prime is 12002103109. The next prime is 12002103163. The reversal of 12002103143 is 34130120021.

It is a cyclic number.

It is not a de Polignac number, because 12002103143 - 2²⁰ = 12001054567 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12002103163) 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 15 ways as a sum of consecutive naturals, for example, 1953905 + ... + 1960037.

It is an arithmetic number, because the mean of its divisors is an integer number (782545050).

Almost surely, 2^12002103143 is an apocalyptic number.

12002103143 is a deficient number, since it is larger than the sum of its proper divisors (518617657).

12002103143 is an equidigital number, since it uses as much as digits as its factorization.

12002103143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7042.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12002103143 its reverse (34130120021), we get a palindrome (46132223164).

The spelling of 12002103143 in words is "twelve billion, two million, one hundred three thousand, one hundred forty-three".