12143546858137 has 2 divisors, whose sum is σ = 12143546858138. Its totient is φ = 12143546858136.

The previous prime is 12143546858119. The next prime is 12143546858221. The reversal of 12143546858137 is 73185864534121.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8077935993241 + 4065610864896 = 2842171^2 + 2016336^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12143546858137 is a prime.

It is a super-2 number, since 2×12143546858137² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12143546855137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6071773429068 + 6071773429069.

It is an arithmetic number, because the mean of its divisors is an integer number (6071773429069).

Almost surely, 2^{12143546858137} is an apocalyptic number.

It is an amenable number.

12143546858137 is a deficient number, since it is larger than the sum of its proper divisors (1).

12143546858137 is an equidigital number, since it uses as much as digits as its factorization.

12143546858137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19353600, while the sum is 58.

The spelling of 12143546858137 in words is "twelve trillion, one hundred forty-three billion, five hundred forty-six million, eight hundred fifty-eight thousand, one hundred thirty-seven".