122140235305 has 16 divisors (see below), whose sum is σ = 159899681664. Its totient is φ = 88825367680.

The previous prime is 122140235293. The next prime is 122140235351. The reversal of 122140235305 is 503532041221.

It is not a de Polignac number, because 122140235305 - 2¹³ = 122140227113 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1975572 + ... + 2036458.

It is an arithmetic number, because the mean of its divisors is an integer number (9993730104).

Almost surely, 2^122140235305 is an apocalyptic number.

It is an amenable number.

122140235305 is a deficient number, since it is larger than the sum of its proper divisors (37759446359).

122140235305 is a wasteful number, since it uses less digits than its factorization.

122140235305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97376.

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 122140235305 its reverse (503532041221), we get a palindrome (625672276526).

The spelling of 122140235305 in words is "one hundred twenty-two billion, one hundred forty million, two hundred thirty-five thousand, three hundred five".