16886122212 has 24 divisors (see below), whose sum is σ = 40239271296. Its totient is φ = 5508947488.

The previous prime is 16886122207. The next prime is 16886122213. The reversal of 16886122212 is 21222168861.

It is a happy number.

It is a super-2 number, since 2×16886122212² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16886122213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14969403 + ... + 14970530.

It is an arithmetic number, because the mean of its divisors is an integer number (1676636304).

Almost surely, 2^16886122212 is an apocalyptic number.

16886122212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16886122212 is an abundant number, since it is smaller than the sum of its proper divisors (23353149084).

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

16886122212 is a wasteful number, since it uses less digits than its factorization.

16886122212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29939987 (or 29939985 counting only the distinct ones).

The product of its digits is 36864, while the sum is 39.

The spelling of 16886122212 in words is "sixteen billion, eight hundred eighty-six million, one hundred twenty-two thousand, two hundred twelve".