12221110001222 has 8 divisors (see below), whose sum is σ = 18332417204976. Its totient is φ = 6110304266232.

The previous prime is 12221110001179. The next prime is 12221110001231. The reversal of 12221110001222 is 22210001112221.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12221110001222.

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, 125306258 + ... + 125403749.

It is an arithmetic number, because the mean of its divisors is an integer number (2291552150622).

Almost surely, 2^{12221110001222} is an apocalyptic number.

12221110001222 is a deficient number, since it is larger than the sum of its proper divisors (6111307203754).

12221110001222 is a wasteful number, since it uses less digits than its factorization.

12221110001222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250734382.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12221110001222 its reverse (22210001112221), we get a palindrome (34431111113443).

The spelling of 12221110001222 in words is "twelve trillion, two hundred twenty-one billion, one hundred ten million, one thousand, two hundred twenty-two".