122121065065 has 8 divisors (see below), whose sum is σ = 146701017288. Its totient is φ = 97593025920.

The previous prime is 122121065023. The next prime is 122121065089. The reversal of 122121065065 is 560560121221.

It can be written as a sum of positive squares in 4 ways, for example, as 13157695849 + 108963369216 = 114707^2 + 330096^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 122121065065 - 2⁹ = 122121064553 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12973092 + ... + 12982501.

It is an arithmetic number, because the mean of its divisors is an integer number (18337627161).

Almost surely, 2^122121065065 is an apocalyptic number.

It is an amenable number.

122121065065 is a deficient number, since it is larger than the sum of its proper divisors (24579952223).

122121065065 is an equidigital number, since it uses as much as digits as its factorization.

122121065065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25956539.

The product of its (nonzero) digits is 7200, while the sum is 31.

Adding to 122121065065 its reverse (560560121221), we get a palindrome (682681186286).

The spelling of 122121065065 in words is "one hundred twenty-two billion, one hundred twenty-one million, sixty-five thousand, sixty-five".