120212089 has 2 divisors, whose sum is σ = 120212090. Its totient is φ = 120212088.

The previous prime is 120212063. The next prime is 120212129. The reversal of 120212089 is 980212021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75429225 + 44782864 = 8685^2 + 6692^2 .

It is an emirp because it is prime and its reverse (980212021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120212089 - 2⁹ = 120211577 is a prime.

It is not a weakly prime, because it can be changed into another prime (120210089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60106044 + 60106045.

It is an arithmetic number, because the mean of its divisors is an integer number (60106045).

Almost surely, 2^120212089 is an apocalyptic number.

It is an amenable number.

120212089 is a deficient number, since it is larger than the sum of its proper divisors (1).

120212089 is an equidigital number, since it uses as much as digits as its factorization.

120212089 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 25.

The square root of 120212089 is about 10964.1273706575. The cubic root of 120212089 is about 493.5328307569.

The spelling of 120212089 in words is "one hundred twenty million, two hundred twelve thousand, eighty-nine".