22112100210012 has 24 divisors (see below), whose sum is σ = 51595082965776. Its totient is φ = 7370674002048.

The previous prime is 22112100209987. The next prime is 22112100210019. The reversal of 22112100210012 is 21001200121122.

It is a super-2 number, since 2×22112100210012² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22112100209973 and 22112100210000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22112100210019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 444168 + ... + 6664944.

It is an arithmetic number, because the mean of its divisors is an integer number (2149795123574).

Almost surely, 2^{22112100210012} is an apocalyptic number.

It is an amenable number.

22112100210012 is an abundant number, since it is smaller than the sum of its proper divisors (29482982755764).

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

22112100210012 is a wasteful number, since it uses less digits than its factorization.

22112100210012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6516997 (or 6516995 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 22112100210012 its reverse (21001200121122), we get a palindrome (43113300331134).

The spelling of 22112100210012 in words is "twenty-two trillion, one hundred twelve billion, one hundred million, two hundred ten thousand, twelve".