12200011212 has 24 divisors (see below), whose sum is σ = 28469114800. Its totient is φ = 4066324416.

The previous prime is 12200011199. The next prime is 12200011253. The reversal of 12200011212 is 21211000221.

It is a Harshad number since it is a multiple of its sum of digits (12).

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 7 ways as a sum of consecutive naturals, for example, 132114 + ... + 204582.

Almost surely, 2^12200011212 is an apocalyptic number.

12200011212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12200011212 is an abundant number, since it is smaller than the sum of its proper divisors (16269103588).

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

12200011212 is a wasteful number, since it uses less digits than its factorization.

12200011212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86505 (or 86503 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12200011212 its reverse (21211000221), we get a palindrome (33411011433).

The spelling of 12200011212 in words is "twelve billion, two hundred million, eleven thousand, two hundred twelve".