12221100010129 has 2 divisors, whose sum is σ = 12221100010130. Its totient is φ = 12221100010128.

The previous prime is 12221100010117. The next prime is 12221100010177. The reversal of 12221100010129 is 92101000112221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11191834976400 + 1029265033729 = 3345420^2 + 1014527^2 .

It is a cyclic number.

It is not a de Polignac number, because 12221100010129 - 2¹⁷ = 12221099879057 is a prime.

It is not a weakly prime, because it can be changed into another prime (12221100011129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6110550005064 + 6110550005065.

It is an arithmetic number, because the mean of its divisors is an integer number (6110550005065).

Almost surely, 2^{12221100010129} is an apocalyptic number.

It is an amenable number.

12221100010129 is a deficient number, since it is larger than the sum of its proper divisors (1).

12221100010129 is an equidigital number, since it uses as much as digits as its factorization.

12221100010129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 22.

The spelling of 12221100010129 in words is "twelve trillion, two hundred twenty-one billion, one hundred million, ten thousand, one hundred twenty-nine".