12212202222212 has 12 divisors (see below), whose sum is σ = 21371736000720. Its totient is φ = 6105991936296.

The previous prime is 12212202222179. The next prime is 12212202222247. The reversal of 12212202222212 is 21222220221221.

It is a super-2 number, since 2×12212202222212² (a number of 27 digits) contains 22 as substring.

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, 27041762 + ... + 27489657.

It is an arithmetic number, because the mean of its divisors is an integer number (1780978000060).

Almost surely, 2^{12212202222212} is an apocalyptic number.

It is an amenable number.

12212202222212 is a deficient number, since it is larger than the sum of its proper divisors (9159533778508).

12212202222212 is a wasteful number, since it uses less digits than its factorization.

12212202222212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54587410 (or 54587408 counting only the distinct ones).

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

Adding to 12212202222212 its reverse (21222220221221), we get a palindrome (33434422443433).

The spelling of 12212202222212 in words is "twelve trillion, two hundred twelve billion, two hundred two million, two hundred twenty-two thousand, two hundred twelve".