12220310212 has 24 divisors (see below), whose sum is σ = 23375560320. Its totient is φ = 5543763360.

The previous prime is 12220310177. The next prime is 12220310233. The reversal of 12220310212 is 21201302221.

It is a happy number.

It is a super-2 number, since 2×12220310212² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250428 + ... + 295219.

It is an arithmetic number, because the mean of its divisors is an integer number (973981680).

Almost surely, 2^12220310212 is an apocalyptic number.

It is an amenable number.

12220310212 is a deficient number, since it is larger than the sum of its proper divisors (11155250108).

12220310212 is a wasteful number, since it uses less digits than its factorization.

12220310212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546171 (or 546169 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12220310212 its reverse (21201302221), we get a palindrome (33421612433).

The spelling of 12220310212 in words is "twelve billion, two hundred twenty million, three hundred ten thousand, two hundred twelve".