22010211212 has 72 divisors (see below), whose sum is σ = 43458454368. Its totient is φ = 9742670080.

The previous prime is 22010211199. The next prime is 22010211217. The reversal of 22010211212 is 21211201022.

It is not an unprimeable number, because it can be changed into a prime (22010211217) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 3511193 + ... + 3517455.

It is an arithmetic number, because the mean of its divisors is an integer number (603589644).

Almost surely, 2^22010211212 is an apocalyptic number.

22010211212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22010211212 is a deficient number, since it is larger than the sum of its proper divisors (21448243156).

22010211212 is a wasteful number, since it uses less digits than its factorization.

22010211212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6479 (or 6466 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22010211212 its reverse (21211201022), we get a palindrome (43221412234).

The spelling of 22010211212 in words is "twenty-two billion, ten million, two hundred eleven thousand, two hundred twelve".