120011221212209 has 2 divisors, whose sum is σ = 120011221212210. Its totient is φ = 120011221212208.

The previous prime is 120011221212173. The next prime is 120011221212221. The reversal of 120011221212209 is 902212122110021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 102035554600225 + 17975666611984 = 10101265^2 + 4239772^2 .

It is a cyclic number.

It is not a de Polignac number, because 120011221212209 - 2¹² = 120011221208113 is a prime.

It is not a weakly prime, because it can be changed into another prime (120011221212229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60005610606104 + 60005610606105.

It is an arithmetic number, because the mean of its divisors is an integer number (60005610606105).

Almost surely, 2^{120011221212209} is an apocalyptic number.

It is an amenable number.

120011221212209 is a deficient number, since it is larger than the sum of its proper divisors (1).

120011221212209 is an equidigital number, since it uses as much as digits as its factorization.

120011221212209 is an evil number, because the sum of its binary digits is even.

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

The spelling of 120011221212209 in words is "one hundred twenty trillion, eleven billion, two hundred twenty-one million, two hundred twelve thousand, two hundred nine".