12123143013 has 16 divisors (see below), whose sum is σ = 16303104000. Its totient is φ = 8012730096.

The previous prime is 12123142987. The next prime is 12123143027. The reversal of 12123143013 is 31034132121.

It is not a de Polignac number, because 12123143013 - 2¹⁴ = 12123126629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12123143213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 560506 + ... + 581732.

It is an arithmetic number, because the mean of its divisors is an integer number (1018944000).

Almost surely, 2^12123143013 is an apocalyptic number.

It is an amenable number.

12123143013 is a deficient number, since it is larger than the sum of its proper divisors (4179960987).

12123143013 is a wasteful number, since it uses less digits than its factorization.

12123143013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22856.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 12123143013 its reverse (31034132121), we get a palindrome (43157275134).

The spelling of 12123143013 in words is "twelve billion, one hundred twenty-three million, one hundred forty-three thousand, thirteen".