22120002212012 has 12 divisors (see below), whose sum is σ = 39958713673536. Its totient is φ = 10703226876720.

The previous prime is 22120002211973. The next prime is 22120002212017. The reversal of 22120002212012 is 21021220002122.

It is a happy number.

22120002212012 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (22120002212017) 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, 89193557183 + ... + 89193557430.

It is an arithmetic number, because the mean of its divisors is an integer number (3329892806128).

Almost surely, 2^{22120002212012} is an apocalyptic number.

It is an amenable number.

22120002212012 is a deficient number, since it is larger than the sum of its proper divisors (17838711461524).

22120002212012 is a wasteful number, since it uses less digits than its factorization.

22120002212012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178387114648 (or 178387114646 counting only the distinct ones).

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

Adding to 22120002212012 its reverse (21021220002122), we get a palindrome (43141222214134).

The spelling of 22120002212012 in words is "twenty-two trillion, one hundred twenty billion, two million, two hundred twelve thousand, twelve".