2122012220012 has 12 divisors (see below), whose sum is σ = 3931963819560. Its totient is φ = 998593985856.

The previous prime is 2122012220011. The next prime is 2122012220023. The reversal of 2122012220012 is 2100222102212.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is not an unprimeable number, because it can be changed into a prime (2122012220011) 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, 15603030962 + ... + 15603031097.

It is an arithmetic number, because the mean of its divisors is an integer number (327663651630).

Almost surely, 2^{2122012220012} is an apocalyptic number.

It is an amenable number.

2122012220012 is a deficient number, since it is larger than the sum of its proper divisors (1809951599548).

2122012220012 is a wasteful number, since it uses less digits than its factorization.

2122012220012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31206062080 (or 31206062078 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2122012220012 its reverse (2100222102212), we get a palindrome (4222234322224).

The spelling of 2122012220012 in words is "two trillion, one hundred twenty-two billion, twelve million, two hundred twenty thousand, twelve".