12102211112222 has 64 divisors (see below), whose sum is σ = 22714181222400. Its totient is φ = 4698197616480.

The previous prime is 12102211112221. The next prime is 12102211112231. The reversal of 12102211112222 is 22221111220121.

It is a junction number, because it is equal to n+sod(n) for n = 12102211112194 and 12102211112203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12102211112221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60001979 + ... + 60203337.

It is an arithmetic number, because the mean of its divisors is an integer number (354909081600).

Almost surely, 2^{12102211112222} is an apocalyptic number.

12102211112222 is a deficient number, since it is larger than the sum of its proper divisors (10611970110178).

12102211112222 is a wasteful number, since it uses less digits than its factorization.

12102211112222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202781.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 12102211112222 its reverse (22221111220121), we get a palindrome (34323322332343).

The spelling of 12102211112222 in words is "twelve trillion, one hundred two billion, two hundred eleven million, one hundred twelve thousand, two hundred twenty-two".