22100012000212 has 24 divisors (see below), whose sum is σ = 40267794774312. Its totient is φ = 10603764249600.

The previous prime is 22100012000141. The next prime is 22100012000299. The reversal of 22100012000212 is 21200021000122.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 317685540496 + 21782326459716 = 563636^2 + 4667154^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22100012000192 and 22100012000201.

It is a congruent number.

It is an unprimeable number.

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, 1104548773 + ... + 1104568780.

It is an arithmetic number, because the mean of its divisors is an integer number (1677824782263).

Almost surely, 2^{22100012000212} is an apocalyptic number.

It is an amenable number.

22100012000212 is a deficient number, since it is larger than the sum of its proper divisors (18167782774100).

22100012000212 is a wasteful number, since it uses less digits than its factorization.

22100012000212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2209117659 (or 2209117657 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 22100012000212 its reverse (21200021000122), we get a palindrome (43300033000334).

The spelling of 22100012000212 in words is "twenty-two trillion, one hundred billion, twelve million, two hundred twelve", and thus it is an aban number.