12202212164 has 12 divisors (see below), whose sum is σ = 21359173500. Its totient is φ = 6099591168.

The previous prime is 12202212163. The next prime is 12202212223. The reversal of 12202212164 is 46121220221.

It can be written as a sum of positive squares in 2 ways, for example, as 8197853764 + 4004358400 = 90542^2 + 63280^2 .

It is not an unprimeable number, because it can be changed into a prime (12202212163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 360509 + ... + 392900.

It is an arithmetic number, because the mean of its divisors is an integer number (1779931125).

Almost surely, 2^12202212164 is an apocalyptic number.

It is an amenable number.

12202212164 is a deficient number, since it is larger than the sum of its proper divisors (9156961336).

12202212164 is a wasteful number, since it uses less digits than its factorization.

12202212164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 757462 (or 757460 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 12202212164 its reverse (46121220221), we get a palindrome (58323432385).

The spelling of 12202212164 in words is "twelve billion, two hundred two million, two hundred twelve thousand, one hundred sixty-four".