122212503345 has 16 divisors (see below), whose sum is σ = 207042359040. Its totient is φ = 61345883904.

The previous prime is 122212503319. The next prime is 122212503353. The reversal of 122212503345 is 543305212221.

It is not a de Polignac number, because 122212503345 - 2⁸ = 122212503089 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 239632105 + ... + 239632614.

It is an arithmetic number, because the mean of its divisors is an integer number (12940147440).

Almost surely, 2^122212503345 is an apocalyptic number.

122212503345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122212503345 is a deficient number, since it is larger than the sum of its proper divisors (84829855695).

122212503345 is a wasteful number, since it uses less digits than its factorization.

122212503345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479264744.

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

Adding to 122212503345 its reverse (543305212221), we get a palindrome (665517715566).

The spelling of 122212503345 in words is "one hundred twenty-two billion, two hundred twelve million, five hundred three thousand, three hundred forty-five".