12220010212 has 24 divisors (see below), whose sum is σ = 21938716800. Its totient is φ = 5952537696.

The previous prime is 12220010191. The next prime is 12220010219. The reversal of 12220010212 is 21201002221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12220010192 and 12220010201.

It is not an unprimeable number, because it can be changed into a prime (12220010219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24412 + ... + 158227.

It is an arithmetic number, because the mean of its divisors is an integer number (914113200).

Almost surely, 2^12220010212 is an apocalyptic number.

It is an amenable number.

12220010212 is a deficient number, since it is larger than the sum of its proper divisors (9718706588).

12220010212 is a wasteful number, since it uses less digits than its factorization.

12220010212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183075 (or 183073 counting only the distinct ones).

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

Adding to 12220010212 its reverse (21201002221), we get a palindrome (33421012433).

The spelling of 12220010212 in words is "twelve billion, two hundred twenty million, ten thousand, two hundred twelve".