12222212112102 has 64 divisors (see below), whose sum is σ = 25256370862080. Its totient is φ = 3938991993600.

The previous prime is 12222212112043. The next prime is 12222212112109. The reversal of 12222212112102 is 20121121222221.

It is a super-4 number, since 4×12222212112102⁴ (a number of 53 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12222212112109) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1334152402 + ... + 1334161562.

It is an arithmetic number, because the mean of its divisors is an integer number (394630794720).

Almost surely, 2^{12222212112102} is an apocalyptic number.

12222212112102 is an abundant number, since it is smaller than the sum of its proper divisors (13034158749978).

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

12222212112102 is a wasteful number, since it uses less digits than its factorization.

12222212112102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15069.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 12222212112102 its reverse (20121121222221), we get a palindrome (32343333334323).

The spelling of 12222212112102 in words is "twelve trillion, two hundred twenty-two billion, two hundred twelve million, one hundred twelve thousand, one hundred two".