12221102010212 has 24 divisors (see below), whose sum is σ = 21427900576992. Its totient is φ = 6098855523200.

The previous prime is 12221102010211. The next prime is 12221102010241. The reversal of 12221102010212 is 21201020112221.

It is not an unprimeable number, because it can be changed into a prime (12221102010211) 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, 3169787 + ... + 5872797.

It is an arithmetic number, because the mean of its divisors is an integer number (892829190708).

Almost surely, 2^{12221102010212} is an apocalyptic number.

It is an amenable number.

12221102010212 is a deficient number, since it is larger than the sum of its proper divisors (9206798566780).

12221102010212 is a wasteful number, since it uses less digits than its factorization.

12221102010212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2705179 (or 2705177 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12221102010212 its reverse (21201020112221), we get a palindrome (33422122122433).

The spelling of 12221102010212 in words is "twelve trillion, two hundred twenty-one billion, one hundred two million, ten thousand, two hundred twelve".