12118143061 has 2 divisors, whose sum is σ = 12118143062. Its totient is φ = 12118143060.

The previous prime is 12118143013. The next prime is 12118143067. The reversal of 12118143061 is 16034181121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6495392836 + 5622750225 = 80594^2 + 74985^2 .

It is a cyclic number.

It is not a de Polignac number, because 12118143061 - 2²³ = 12109754453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12118143067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6059071530 + 6059071531.

It is an arithmetic number, because the mean of its divisors is an integer number (6059071531).

Almost surely, 2^12118143061 is an apocalyptic number.

It is an amenable number.

12118143061 is a deficient number, since it is larger than the sum of its proper divisors (1).

12118143061 is an equidigital number, since it uses as much as digits as its factorization.

12118143061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 28.

The spelling of 12118143061 in words is "twelve billion, one hundred eighteen million, one hundred forty-three thousand, sixty-one".