120012102212021 has 2 divisors, whose sum is σ = 120012102212022. Its totient is φ = 120012102212020.

The previous prime is 120012102211993. The next prime is 120012102212083. The reversal of 120012102212021 is 120212201210021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 117937666927921 + 2074435284100 = 10859911^2 + 1440290^2 .

It is a cyclic number.

It is not a de Polignac number, because 120012102212021 - 2¹⁴ = 120012102195637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120012102262021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60006051106010 + 60006051106011.

It is an arithmetic number, because the mean of its divisors is an integer number (60006051106011).

Almost surely, 2^{120012102212021} is an apocalyptic number.

It is an amenable number.

120012102212021 is a deficient number, since it is larger than the sum of its proper divisors (1).

120012102212021 is an equidigital number, since it uses as much as digits as its factorization.

120012102212021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 120012102212021 its reverse (120212201210021), we get a palindrome (240224303422042).

The spelling of 120012102212021 in words is "one hundred twenty trillion, twelve billion, one hundred two million, two hundred twelve thousand, twenty-one".