12012220020222 has 32 divisors (see below), whose sum is σ = 26694059304960. Its totient is φ = 4004037784440.

The previous prime is 12012220020211. The next prime is 12012220020247. The reversal of 12012220020222 is 22202002221021.

12012220020222 is a `hidden beast` number, since 1 + 201 + 2 + 220 + 0 + 20 + 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 = 12012220020195 and 12012220020204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5546403 + ... + 7401825.

It is an arithmetic number, because the mean of its divisors is an integer number (834189353280).

Almost surely, 2^{12012220020222} is an apocalyptic number.

12012220020222 is an abundant number, since it is smaller than the sum of its proper divisors (14681839284738).

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

12012220020222 is a wasteful number, since it uses less digits than its factorization.

12012220020222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1975325 (or 1975319 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 12012220020222 its reverse (22202002221021), we get a palindrome (34214222241243).

The spelling of 12012220020222 in words is "twelve trillion, twelve billion, two hundred twenty million, twenty thousand, two hundred twenty-two".