12121310143 has 2 divisors, whose sum is σ = 12121310144. Its totient is φ = 12121310142.

The previous prime is 12121310111. The next prime is 12121310203. The reversal of 12121310143 is 34101312121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12121310143 - 2⁵ = 12121310111 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12121310143.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12121310543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6060655071 + 6060655072.

It is an arithmetic number, because the mean of its divisors is an integer number (6060655072).

Almost surely, 2^12121310143 is an apocalyptic number.

12121310143 is a deficient number, since it is larger than the sum of its proper divisors (1).

12121310143 is an equidigital number, since it uses as much as digits as its factorization.

12121310143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 12121310143 its reverse (34101312121), we get a palindrome (46222622264).

The spelling of 12121310143 in words is "twelve billion, one hundred twenty-one million, three hundred ten thousand, one hundred forty-three".