12012201044177 has 2 divisors, whose sum is σ = 12012201044178. Its totient is φ = 12012201044176.

The previous prime is 12012201044171. The next prime is 12012201044269. The reversal of 12012201044177 is 77144010221021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10599250411201 + 1412950632976 = 3255649^2 + 1188676^2 .

It is an emirp because it is prime and its reverse (77144010221021) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12012201044177 is a prime.

It is not a weakly prime, because it can be changed into another prime (12012201044171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6006100522088 + 6006100522089.

It is an arithmetic number, because the mean of its divisors is an integer number (6006100522089).

Almost surely, 2^{12012201044177} is an apocalyptic number.

It is an amenable number.

12012201044177 is a deficient number, since it is larger than the sum of its proper divisors (1).

12012201044177 is an equidigital number, since it uses as much as digits as its factorization.

12012201044177 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6272, while the sum is 32.

Adding to 12012201044177 its reverse (77144010221021), we get a palindrome (89156211265198).

The spelling of 12012201044177 in words is "twelve trillion, twelve billion, two hundred one million, forty-four thousand, one hundred seventy-seven".