12200022012 has 24 divisors (see below), whose sum is σ = 28473899776. Its totient is φ = 4065648048.

The previous prime is 12200021993. The next prime is 12200022013. The reversal of 12200022012 is 21022000221.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12200022013) 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, 77908 + ... + 174555.

Almost surely, 2^12200022012 is an apocalyptic number.

12200022012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12200022012 is an abundant number, since it is smaller than the sum of its proper divisors (16273877764).

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

12200022012 is a wasteful number, since it uses less digits than its factorization.

12200022012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256497 (or 256495 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 12200022012 its reverse (21022000221), we get a palindrome (33222022233).

The spelling of 12200022012 in words is "twelve billion, two hundred million, twenty-two thousand, twelve".