12002211121122 has 96 divisors (see below), whose sum is σ = 26239674988800. Its totient is φ = 3964714658784.

The previous prime is 12002211121091. The next prime is 12002211121123. The reversal of 12002211121122 is 22112111220021.

12002211121122 is a `hidden beast` number, since 1 + 200 + 221 + 1 + 121 + 122 = 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 = 12002211121095 and 12002211121104.

It is not an unprimeable number, because it can be changed into a prime (12002211121123) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5294313433 + ... + 5294315699.

It is an arithmetic number, because the mean of its divisors is an integer number (273329947800).

Almost surely, 2^{12002211121122} is an apocalyptic number.

12002211121122 is an abundant number, since it is smaller than the sum of its proper divisors (14237463867678).

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

12002211121122 is a wasteful number, since it uses less digits than its factorization.

12002211121122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5340 (or 5337 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 12002211121122 its reverse (22112111220021), we get a palindrome (34114322341143).

The spelling of 12002211121122 in words is "twelve trillion, two billion, two hundred eleven million, one hundred twenty-one thousand, one hundred twenty-two".