122502205221 has 16 divisors (see below), whose sum is σ = 179949238848. Its totient is φ = 73508672000.

The previous prime is 122502205193. The next prime is 122502205223.

122502205221 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 122502205221 - 2⁶ = 122502205157 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122502205191 and 122502205200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122502205223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18373836 + ... + 18380501.

It is an arithmetic number, because the mean of its divisors is an integer number (11246827428).

Almost surely, 2^122502205221 is an apocalyptic number.

122502205221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

122502205221 is a deficient number, since it is larger than the sum of its proper divisors (57447033627).

122502205221 is a wasteful number, since it uses less digits than its factorization.

122502205221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36754452.

The product of its (nonzero) digits is 1600, while the sum is 24.

It can be divided in two parts, 122502 and 205221, that added together give a palindrome (327723).

The spelling of 122502205221 in words is "one hundred twenty-two billion, five hundred two million, two hundred five thousand, two hundred twenty-one".