12143020040013 has 4 divisors (see below), whose sum is σ = 16190693386688. Its totient is φ = 8095346693340.

The previous prime is 12143020040003. The next prime is 12143020040023. The reversal of 12143020040013 is 31004002034121.

12143020040013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (12143020040003) and next prime (12143020040023).

It is not a de Polignac number, because 12143020040013 - 2⁵ = 12143020039981 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 (12143020040003) 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, 2023836673333 + ... + 2023836673338.

It is an arithmetic number, because the mean of its divisors is an integer number (4047673346672).

Almost surely, 2^{12143020040013} is an apocalyptic number.

It is an amenable number.

12143020040013 is a deficient number, since it is larger than the sum of its proper divisors (4047673346675).

12143020040013 is an equidigital number, since it uses as much as digits as its factorization.

12143020040013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4047673346674.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 12143020040013 its reverse (31004002034121), we get a palindrome (43147022074134).

The spelling of 12143020040013 in words is "twelve trillion, one hundred forty-three billion, twenty million, forty thousand, thirteen".