12202122212 has 24 divisors (see below), whose sum is σ = 24971787456. Its totient is φ = 5107864608.

The previous prime is 12202122211. The next prime is 12202122253. The reversal of 12202122212 is 21222120221.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12202122211) 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, 5066123 + ... + 5068530.

It is an arithmetic number, because the mean of its divisors is an integer number (1040491144).

Almost surely, 2^12202122212 is an apocalyptic number.

It is an amenable number.

12202122212 is an abundant number, since it is smaller than the sum of its proper divisors (12769665244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12202122212 is a wasteful number, since it uses less digits than its factorization.

12202122212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10134707 (or 10134705 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 12202122212 its reverse (21222120221), we get a palindrome (33424242433).

The spelling of 12202122212 in words is "twelve billion, two hundred two million, one hundred twenty-two thousand, two hundred twelve".