12221212010222 has 8 divisors (see below), whose sum is σ = 18348528882816. Its totient is φ = 6105035715952.

The previous prime is 12221212010153. The next prime is 12221212010243. The reversal of 12221212010222 is 22201021212221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 12221212010194 and 12221212010203.

It is a congruent number.

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, 2785141838 + ... + 2785146225.

It is an arithmetic number, because the mean of its divisors is an integer number (2293566110352).

Almost surely, 2^{12221212010222} is an apocalyptic number.

12221212010222 is a deficient number, since it is larger than the sum of its proper divisors (6127316872594).

12221212010222 is a wasteful number, since it uses less digits than its factorization.

12221212010222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5570289162.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 12221212010222 its reverse (22201021212221), we get a palindrome (34422233222443).

The spelling of 12221212010222 in words is "twelve trillion, two hundred twenty-one billion, two hundred twelve million, ten thousand, two hundred twenty-two".