122212011212 has 48 divisors (see below), whose sum is σ = 232409399040. Its totient is φ = 56014313472.

The previous prime is 122212011151. The next prime is 122212011253. The reversal of 122212011212 is 212110212221.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an unprimeable number.

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, 369989 + ... + 617507.

It is an arithmetic number, because the mean of its divisors is an integer number (4841862480).

Almost surely, 2^122212011212 is an apocalyptic number.

It is an amenable number.

122212011212 is a deficient number, since it is larger than the sum of its proper divisors (110197387828).

122212011212 is a wasteful number, since it uses less digits than its factorization.

122212011212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247730 (or 247728 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 122212011212 its reverse (212110212221), we get a palindrome (334322223433).

The spelling of 122212011212 in words is "one hundred twenty-two billion, two hundred twelve million, eleven thousand, two hundred twelve".