22010212012 has 48 divisors (see below), whose sum is σ = 40538050560. Its totient is φ = 10442682432.

The previous prime is 22010211959. The next prime is 22010212013. The reversal of 22010212012 is 21021201022.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22010211983 and 22010212001.

It is not an unprimeable number, because it can be changed into a prime (22010212013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1569343 + ... + 1583305.

It is an arithmetic number, because the mean of its divisors is an integer number (844542720).

Almost surely, 2^22010212012 is an apocalyptic number.

It is an amenable number.

22010212012 is a deficient number, since it is larger than the sum of its proper divisors (18527838548).

22010212012 is a wasteful number, since it uses less digits than its factorization.

22010212012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14230 (or 14228 counting only the distinct ones).

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

Adding to 22010212012 its reverse (21021201022), we get a palindrome (43031413034).

The spelling of 22010212012 in words is "twenty-two billion, ten million, two hundred twelve thousand, twelve".