22012112010212 has 12 divisors (see below), whose sum is σ = 38918321750700. Its totient is φ = 10892591510016.

The previous prime is 22012112010211. The next prime is 22012112010257. The reversal of 22012112010212 is 21201021121022.

It can be written as a sum of positive squares in 2 ways, for example, as 10390926462016 + 11621185548196 = 3223496^2 + 3408986^2 .

It is not an unprimeable number, because it can be changed into a prime (22012112010211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28366123337 + ... + 28366124112.

It is an arithmetic number, because the mean of its divisors is an integer number (3243193479225).

Almost surely, 2^{22012112010212} is an apocalyptic number.

It is an amenable number.

22012112010212 is a deficient number, since it is larger than the sum of its proper divisors (16906209740488).

22012112010212 is a wasteful number, since it uses less digits than its factorization.

22012112010212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56732247550 (or 56732247548 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 22012112010212 its reverse (21201021121022), we get a palindrome (43213133131234).

The spelling of 22012112010212 in words is "twenty-two trillion, twelve billion, one hundred twelve million, ten thousand, two hundred twelve".