122142306605 has 16 divisors (see below), whose sum is σ = 169300995264. Its totient is φ = 83605428480.

The previous prime is 122142306593. The next prime is 122142306631. The reversal of 122142306605 is 506603241221.

It is not a de Polignac number, because 122142306605 - 2¹⁸ = 122142044461 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65315807 + ... + 65317676.

It is an arithmetic number, because the mean of its divisors is an integer number (10581312204).

Almost surely, 2^122142306605 is an apocalyptic number.

It is an amenable number.

122142306605 is a deficient number, since it is larger than the sum of its proper divisors (47158688659).

122142306605 is a wasteful number, since it uses less digits than its factorization.

122142306605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130633516.

The product of its (nonzero) digits is 17280, while the sum is 32.

Adding to 122142306605 its reverse (506603241221), we get a palindrome (628745547826).

The spelling of 122142306605 in words is "one hundred twenty-two billion, one hundred forty-two million, three hundred six thousand, six hundred five".