12133161947 has 2 divisors, whose sum is σ = 12133161948. Its totient is φ = 12133161946.

The previous prime is 12133161893. The next prime is 12133161961. The reversal of 12133161947 is 74916133121.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (74916133121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12133161947 - 2¹² = 12133157851 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12133161947.

It is not a weakly prime, because it can be changed into another prime (12133161977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6066580973 + 6066580974.

It is an arithmetic number, because the mean of its divisors is an integer number (6066580974).

Almost surely, 2^12133161947 is an apocalyptic number.

12133161947 is a deficient number, since it is larger than the sum of its proper divisors (1).

12133161947 is an equidigital number, since it uses as much as digits as its factorization.

12133161947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 38.

The spelling of 12133161947 in words is "twelve billion, one hundred thirty-three million, one hundred sixty-one thousand, nine hundred forty-seven".