122221123207 has 4 divisors (see below), whose sum is σ = 122221962720. Its totient is φ = 122220283696.

The previous prime is 122221123151. The next prime is 122221123253. The reversal of 122221123207 is 702321122221.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 122221123207 - 2³¹ = 120073639559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122221129207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138607 + ... + 513472.

It is an arithmetic number, because the mean of its divisors is an integer number (30555490680).

Almost surely, 2^122221123207 is an apocalyptic number.

122221123207 is a deficient number, since it is larger than the sum of its proper divisors (839513).

122221123207 is an equidigital number, since it uses as much as digits as its factorization.

122221123207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 839512.

The product of its (nonzero) digits is 1344, while the sum is 25.

Adding to 122221123207 its reverse (702321122221), we get a palindrome (824542245428).

The spelling of 122221123207 in words is "one hundred twenty-two billion, two hundred twenty-one million, one hundred twenty-three thousand, two hundred seven".