12221220706276 has 12 divisors (see below), whose sum is σ = 22317011724672. Its totient is φ = 5844931642088.

The previous prime is 12221220706259. The next prime is 12221220706283. The reversal of 12221220706276 is 67260702212221.

It is a super-3 number, since 3×12221220706276³ (a number of 40 digits) contains 333 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, 66419677660 + ... + 66419677843.

It is an arithmetic number, because the mean of its divisors is an integer number (1859750977056).

Almost surely, 2^{12221220706276} is an apocalyptic number.

It is an amenable number.

12221220706276 is a deficient number, since it is larger than the sum of its proper divisors (10095791018396).

12221220706276 is a wasteful number, since it uses less digits than its factorization.

12221220706276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132839355530 (or 132839355528 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 40.

Adding to 12221220706276 its reverse (67260702212221), we get a palindrome (79481922918497).

The spelling of 12221220706276 in words is "twelve trillion, two hundred twenty-one billion, two hundred twenty million, seven hundred six thousand, two hundred seventy-six".