122212400124 has 12 divisors (see below), whose sum is σ = 285162266984. Its totient is φ = 40737466704.

The previous prime is 122212400119. The next prime is 122212400131. The reversal of 122212400124 is 421004212221.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 122212400124.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5092183327 + ... + 5092183350.

Almost surely, 2^122212400124 is an apocalyptic number.

It is an amenable number.

122212400124 is an abundant number, since it is smaller than the sum of its proper divisors (162949866860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122212400124 is a wasteful number, since it uses less digits than its factorization.

122212400124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10184366684 (or 10184366682 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 122212400124 its reverse (421004212221), we get a palindrome (543216612345).

The spelling of 122212400124 in words is "one hundred twenty-two billion, two hundred twelve million, four hundred thousand, one hundred twenty-four".