12102120212222 has 8 divisors (see below), whose sum is σ = 18153499676976. Its totient is φ = 6050953653232.

The previous prime is 12102120212213. The next prime is 12102120212227. The reversal of 12102120212222 is 22221202120121.

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

It is a super-2 number, since 2×12102120212222² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12102120212194 and 12102120212203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12102120212227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53084258 + ... + 53311749.

It is an arithmetic number, because the mean of its divisors is an integer number (2269187459622).

Almost surely, 2^{12102120212222} is an apocalyptic number.

12102120212222 is a deficient number, since it is larger than the sum of its proper divisors (6051379464754).

12102120212222 is a wasteful number, since it uses less digits than its factorization.

12102120212222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106452882.

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

Adding to 12102120212222 its reverse (22221202120121), we get a palindrome (34323322332343).

The spelling of 12102120212222 in words is "twelve trillion, one hundred two billion, one hundred twenty million, two hundred twelve thousand, two hundred twenty-two".