22102020001212 has 12 divisors (see below), whose sum is σ = 51571380002856. Its totient is φ = 7367340000400.

The previous prime is 22102020001129. The next prime is 22102020001249. The reversal of 22102020001212 is 21210002020122.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 22102020001191 and 22102020001200.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 920917500039 + ... + 920917500062.

It is an arithmetic number, because the mean of its divisors is an integer number (4297615000238).

Almost surely, 2^{22102020001212} is an apocalyptic number.

It is an amenable number.

22102020001212 is an abundant number, since it is smaller than the sum of its proper divisors (29469360001644).

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

22102020001212 is a wasteful number, since it uses less digits than its factorization.

22102020001212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1841835000108 (or 1841835000106 counting only the distinct ones).

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

Adding to 22102020001212 its reverse (21210002020122), we get a palindrome (43312022021334).

The spelling of 22102020001212 in words is "twenty-two trillion, one hundred two billion, twenty million, one thousand, two hundred twelve".