12201022012 has 24 divisors (see below), whose sum is σ = 21532094640. Its totient is φ = 6049155840.

The previous prime is 12201022003. The next prime is 12201022019. The reversal of 12201022012 is 21022010221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12201021983 and 12201022001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12201022019) by changing a digit.

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, 288564 + ... + 328132.

It is an arithmetic number, because the mean of its divisors is an integer number (897170610).

Almost surely, 2^12201022012 is an apocalyptic number.

It is an amenable number.

12201022012 is a deficient number, since it is larger than the sum of its proper divisors (9331072628).

12201022012 is a wasteful number, since it uses less digits than its factorization.

12201022012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40221 (or 40219 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 12201022012 its reverse (21022010221), we get a palindrome (33223032233).

The spelling of 12201022012 in words is "twelve billion, two hundred one million, twenty-two thousand, twelve".