22122120002012 has 24 divisors (see below), whose sum is σ = 39469622220000. Its totient is φ = 10845354551616.

The previous prime is 22122120001873. The next prime is 22122120002107. The reversal of 22122120002012 is 21020002122122.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33354512 + ... + 34011287.

It is an arithmetic number, because the mean of its divisors is an integer number (1644567592500).

Almost surely, 2^{22122120002012} is an apocalyptic number.

It is an amenable number.

22122120002012 is a deficient number, since it is larger than the sum of its proper divisors (17347502217988).

22122120002012 is a wasteful number, since it uses less digits than its factorization.

22122120002012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67367405 (or 67367403 counting only the distinct ones).

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

Adding to 22122120002012 its reverse (21020002122122), we get a palindrome (43142122124134).

The spelling of 22122120002012 in words is "twenty-two trillion, one hundred twenty-two billion, one hundred twenty million, two thousand, twelve".