12021202011222 has 12 divisors (see below), whose sum is σ = 26045937691020. Its totient is φ = 4007067337068.

The previous prime is 12021202011107. The next prime is 12021202011223. The reversal of 12021202011222 is 22211020212021.

It is a happy number.

12021202011222 is a `hidden beast` number, since 120 + 2 + 120 + 201 + 1 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 667844556179 = 12021202011222 / (1 + 2 + 0 + 2 + 1 + 2 + 0 + 2 + 0 + 1 + 1 + 2 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 12021202011195 and 12021202011204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12021202011223) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 333922278072 + ... + 333922278107.

It is an arithmetic number, because the mean of its divisors is an integer number (2170494807585).

Almost surely, 2^{12021202011222} is an apocalyptic number.

12021202011222 is an abundant number, since it is smaller than the sum of its proper divisors (14024735679798).

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

12021202011222 is a wasteful number, since it uses less digits than its factorization.

12021202011222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667844556187 (or 667844556184 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12021202011222 its reverse (22211020212021), we get a palindrome (34232222223243).

The spelling of 12021202011222 in words is "twelve trillion, twenty-one billion, two hundred two million, eleven thousand, two hundred twenty-two".