12201110210977 has 2 divisors, whose sum is σ = 12201110210978. Its totient is φ = 12201110210976.

The previous prime is 12201110210963. The next prime is 12201110211071. The reversal of 12201110210977 is 77901201110221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6615266304256 + 5585843906721 = 2572016^2 + 2363439^2 .

It is a cyclic number.

It is not a de Polignac number, because 12201110210977 - 2¹⁵ = 12201110178209 is a prime.

It is not a weakly prime, because it can be changed into another prime (12201110210957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6100555105488 + 6100555105489.

It is an arithmetic number, because the mean of its divisors is an integer number (6100555105489).

Almost surely, 2^{12201110210977} is an apocalyptic number.

It is an amenable number.

12201110210977 is a deficient number, since it is larger than the sum of its proper divisors (1).

12201110210977 is an equidigital number, since it uses as much as digits as its factorization.

12201110210977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3528, while the sum is 34.

The spelling of 12201110210977 in words is "twelve trillion, two hundred one billion, one hundred ten million, two hundred ten thousand, nine hundred seventy-seven".