12221202222212 has 12 divisors (see below), whose sum is σ = 21842148652800. Its totient is φ = 5980588321416.

The previous prime is 12221202222197. The next prime is 12221202222241. The reversal of 12221202222212 is 21222220212221.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32503197212 + ... + 32503197587.

It is an arithmetic number, because the mean of its divisors is an integer number (1820179054400).

Almost surely, 2^{12221202222212} is an apocalyptic number.

It is an amenable number.

12221202222212 is a deficient number, since it is larger than the sum of its proper divisors (9620946430588).

12221202222212 is a wasteful number, since it uses less digits than its factorization.

12221202222212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65006394850 (or 65006394848 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 12221202222212 its reverse (21222220212221), we get a palindrome (33443422434433).

The spelling of 12221202222212 in words is "twelve trillion, two hundred twenty-one billion, two hundred two million, two hundred twenty-two thousand, two hundred twelve".