22010012212 has 24 divisors (see below), whose sum is σ = 39498943680. Its totient is φ = 10728083520.

The previous prime is 22010012203. The next prime is 22010012237. The reversal of 22010012212 is 21221001022.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22010012192 and 22010012201.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 410118 + ... + 460669.

It is an arithmetic number, because the mean of its divisors is an integer number (1645789320).

Almost surely, 2^22010012212 is an apocalyptic number.

It is an amenable number.

22010012212 is a deficient number, since it is larger than the sum of its proper divisors (17488931468).

22010012212 is a wasteful number, since it uses less digits than its factorization.

22010012212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870951 (or 870949 counting only the distinct ones).

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

Adding to 22010012212 its reverse (21221001022), we get a palindrome (43231013234).

The spelling of 22010012212 in words is "twenty-two billion, ten million, twelve thousand, two hundred twelve".