12221133230212 has 12 divisors (see below), whose sum is σ = 21387012123456. Its totient is φ = 6110558337800.

The previous prime is 12221133230083. The next prime is 12221133230233. The reversal of 12221133230212 is 21203233112221.

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, 2258337 + ... + 5435287.

It is an arithmetic number, because the mean of its divisors is an integer number (1782251010288).

Almost surely, 2^{12221133230212} is an apocalyptic number.

It is an amenable number.

12221133230212 is a deficient number, since it is larger than the sum of its proper divisors (9165878893244).

12221133230212 is a wasteful number, since it uses less digits than its factorization.

12221133230212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4138658 (or 4138656 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 12221133230212 its reverse (21203233112221), we get a palindrome (33424366342433).

The spelling of 12221133230212 in words is "twelve trillion, two hundred twenty-one billion, one hundred thirty-three million, two hundred thirty thousand, two hundred twelve".