120110210609 has 2 divisors, whose sum is σ = 120110210610. Its totient is φ = 120110210608.

The previous prime is 120110210603. The next prime is 120110210639. The reversal of 120110210609 is 906012011021.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119251427584 + 858783025 = 345328^2 + 29305^2 .

It is a cyclic number.

It is not a de Polignac number, because 120110210609 - 2²⁴ = 120093433393 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (120110210603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60055105304 + 60055105305.

It is an arithmetic number, because the mean of its divisors is an integer number (60055105305).

Almost surely, 2^120110210609 is an apocalyptic number.

It is an amenable number.

120110210609 is a deficient number, since it is larger than the sum of its proper divisors (1).

120110210609 is an equidigital number, since it uses as much as digits as its factorization.

120110210609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 23.

The spelling of 120110210609 in words is "one hundred twenty billion, one hundred ten million, two hundred ten thousand, six hundred nine".