12220212012222 has 16 divisors (see below), whose sum is σ = 24626992148352. Its totient is φ = 4042309316760.

The previous prime is 12220212012209. The next prime is 12220212012317. The reversal of 12220212012222 is 22221021202221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7773670978 + ... + 7773672549.

It is an arithmetic number, because the mean of its divisors is an integer number (1539187009272).

Almost surely, 2^{12220212012222} is an apocalyptic number.

12220212012222 is an abundant number, since it is smaller than the sum of its proper divisors (12406780136130).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12220212012222 is a wasteful number, since it uses less digits than its factorization.

12220212012222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15547343663.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 12220212012222 its reverse (22221021202221), we get a palindrome (34441233214443).

The spelling of 12220212012222 in words is "twelve trillion, two hundred twenty billion, two hundred twelve million, twelve thousand, two hundred twenty-two".