12120100302222 has 64 divisors (see below), whose sum is σ = 29420072881920. Its totient is φ = 3668006224800.

The previous prime is 12120100302179. The next prime is 12120100302241. The reversal of 12120100302222 is 22220300102121.

12120100302222 is a `hidden beast` number, since 1 + 21 + 20 + 100 + 302 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12120100302195 and 12120100302204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12738904 + ... + 13657227.

It is an arithmetic number, because the mean of its divisors is an integer number (459688638780).

Almost surely, 2^{12120100302222} is an apocalyptic number.

12120100302222 is an abundant number, since it is smaller than the sum of its proper divisors (17299972579698).

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

12120100302222 is a wasteful number, since it uses less digits than its factorization.

12120100302222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26396926 (or 26396920 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 12120100302222 its reverse (22220300102121), we get a palindrome (34340400404343).

The spelling of 12120100302222 in words is "twelve trillion, one hundred twenty billion, one hundred million, three hundred two thousand, two hundred twenty-two".