22002120120012 has 24 divisors (see below), whose sum is σ = 51449643156912. Its totient is φ = 7318131057600.

The previous prime is 22002120120007. The next prime is 22002120120083. The reversal of 22002120120012 is 21002102120022.

It is a junction number, because it is equal to n+sod(n) for n = 22002120119973 and 22002120120000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1988617039 + ... + 1988628102.

It is an arithmetic number, because the mean of its divisors is an integer number (2143735131538).

Almost surely, 2^{22002120120012} is an apocalyptic number.

It is an amenable number.

22002120120012 is an abundant number, since it is smaller than the sum of its proper divisors (29447523036900).

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

22002120120012 is a wasteful number, since it uses less digits than its factorization.

22002120120012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3977245609 (or 3977245607 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22002120120012 its reverse (21002102120022), we get a palindrome (43004222240034).

The spelling of 22002120120012 in words is "twenty-two trillion, two billion, one hundred twenty million, one hundred twenty thousand, twelve".