12117047141 has 2 divisors, whose sum is σ = 12117047142. Its totient is φ = 12117047140.

The previous prime is 12117047101. The next prime is 12117047147. The reversal of 12117047141 is 14174071121.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11182216516 + 934830625 = 105746^2 + 30575^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12117047141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12117047147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6058523570 + 6058523571.

It is an arithmetic number, because the mean of its divisors is an integer number (6058523571).

Almost surely, 2^12117047141 is an apocalyptic number.

It is an amenable number.

12117047141 is a deficient number, since it is larger than the sum of its proper divisors (1).

12117047141 is an equidigital number, since it uses as much as digits as its factorization.

12117047141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1568, while the sum is 29.

The spelling of 12117047141 in words is "twelve billion, one hundred seventeen million, forty-seven thousand, one hundred forty-one".