22012120211012 has 12 divisors (see below), whose sum is σ = 38537980611900. Its totient is φ = 11001268607616.

The previous prime is 22012120210957. The next prime is 22012120211027. The reversal of 22012120211012 is 21011202121022.

It can be written as a sum of positive squares in 2 ways, for example, as 15103980595456 + 6908139615556 = 3886384^2 + 2628334^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1197864137 + ... + 1197882512.

It is an arithmetic number, because the mean of its divisors is an integer number (3211498384325).

Almost surely, 2^{22012120211012} is an apocalyptic number.

It is an amenable number.

22012120211012 is a deficient number, since it is larger than the sum of its proper divisors (16525860400888).

22012120211012 is a wasteful number, since it uses less digits than its factorization.

22012120211012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2395748950 (or 2395748948 counting only the distinct ones).

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

Adding to 22012120211012 its reverse (21011202121022), we get a palindrome (43023322332034).

The spelling of 22012120211012 in words is "twenty-two trillion, twelve billion, one hundred twenty million, two hundred eleven thousand, twelve".