12221012010149 has 2 divisors, whose sum is σ = 12221012010150. Its totient is φ = 12221012010148.

The previous prime is 12221012010091. The next prime is 12221012010169. The reversal of 12221012010149 is 94101021012221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11635262102500 + 585749907649 = 3411050^2 + 765343^2 .

It is an emirp because it is prime and its reverse (94101021012221) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12221012010149 is a prime.

It is a super-2 number, since 2×12221012010149² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12221012010169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6110506005074 + 6110506005075.

It is an arithmetic number, because the mean of its divisors is an integer number (6110506005075).

Almost surely, 2^{12221012010149} is an apocalyptic number.

It is an amenable number.

12221012010149 is a deficient number, since it is larger than the sum of its proper divisors (1).

12221012010149 is an equidigital number, since it uses as much as digits as its factorization.

12221012010149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 26.

The spelling of 12221012010149 in words is "twelve trillion, two hundred twenty-one billion, twelve million, ten thousand, one hundred forty-nine".