12122218948 has 12 divisors (see below), whose sum is σ = 24244437952. Its totient is φ = 5195236680.

The previous prime is 12122218903. The next prime is 12122218949. The reversal of 12122218948 is 84981222121.

12122218948 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 12122218948.

It is not an unprimeable number, because it can be changed into a prime (12122218949) 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, 216468168 + ... + 216468223.

Almost surely, 2^12122218948 is an apocalyptic number.

It is an amenable number.

12122218948 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12122218948 is a wasteful number, since it uses less digits than its factorization.

12122218948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432936402 (or 432936400 counting only the distinct ones).

The product of its digits is 36864, while the sum is 40.

The spelling of 12122218948 in words is "twelve billion, one hundred twenty-two million, two hundred eighteen thousand, nine hundred forty-eight".