122621371205 has 16 divisors (see below), whose sum is σ = 152984592000. Its totient is φ = 94238464320.

The previous prime is 122621371199. The next prime is 122621371207. The reversal of 122621371205 is 502173126221.

It is not a de Polignac number, because 122621371205 - 2⁴ = 122621371189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122621371207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2095931 + ... + 2153640.

It is an arithmetic number, because the mean of its divisors is an integer number (9561537000).

Almost surely, 2^122621371205 is an apocalyptic number.

It is an amenable number.

122621371205 is a deficient number, since it is larger than the sum of its proper divisors (30363220795).

122621371205 is a wasteful number, since it uses less digits than its factorization.

122621371205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4249804.

The product of its (nonzero) digits is 10080, while the sum is 32.

Adding to 122621371205 its reverse (502173126221), we get a palindrome (624794497426).

The spelling of 122621371205 in words is "one hundred twenty-two billion, six hundred twenty-one million, three hundred seventy-one thousand, two hundred five".