12221330301977 has 2 divisors, whose sum is σ = 12221330301978. Its totient is φ = 12221330301976.

The previous prime is 12221330301907. The next prime is 12221330302021. The reversal of 12221330301977 is 77910303312221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10829522598976 + 1391807703001 = 3290824^2 + 1179749^2 .

It is a cyclic number.

It is not a de Polignac number, because 12221330301977 - 2²⁸ = 12221061866521 is a prime.

It is not a weakly prime, because it can be changed into another prime (12221330301907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6110665150988 + 6110665150989.

It is an arithmetic number, because the mean of its divisors is an integer number (6110665150989).

Almost surely, 2^{12221330301977} is an apocalyptic number.

It is an amenable number.

12221330301977 is a deficient number, since it is larger than the sum of its proper divisors (1).

12221330301977 is an equidigital number, since it uses as much as digits as its factorization.

12221330301977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 95256, while the sum is 41.

The spelling of 12221330301977 in words is "twelve trillion, two hundred twenty-one billion, three hundred thirty million, three hundred one thousand, nine hundred seventy-seven".