122504533221 has 32 divisors (see below), whose sum is σ = 204470058240. Its totient is φ = 63612896256.

The previous prime is 122504533159. The next prime is 122504533253. The reversal of 122504533221 is 122335405221.

It is not a de Polignac number, because 122504533221 - 2⁶ = 122504533157 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122504533421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5906026 + ... + 5926731.

It is an arithmetic number, because the mean of its divisors is an integer number (6389689320).

Almost surely, 2^122504533221 is an apocalyptic number.

It is an amenable number.

122504533221 is a deficient number, since it is larger than the sum of its proper divisors (81965525019).

122504533221 is a wasteful number, since it uses less digits than its factorization.

122504533221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11832813.

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 122504533221 its reverse (122335405221), we get a palindrome (244839938442).

The spelling of 122504533221 in words is "one hundred twenty-two billion, five hundred four million, five hundred thirty-three thousand, two hundred twenty-one".