12211166310 has 64 divisors (see below), whose sum is σ = 33749236224. Its totient is φ = 2769811200.

The previous prime is 12211166291. The next prime is 12211166311. The reversal of 12211166310 is 1366111221.

It is a happy number.

It is a super-2 number, since 2×12211166310² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12211166311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 194431 + ... + 249450.

It is an arithmetic number, because the mean of its divisors is an integer number (527331816).

Almost surely, 2^12211166310 is an apocalyptic number.

12211166310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12211166310 is an abundant number, since it is smaller than the sum of its proper divisors (21538069914).

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

12211166310 is a wasteful number, since it uses less digits than its factorization.

12211166310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444029.

The product of its (nonzero) digits is 432, while the sum is 24.

Adding to 12211166310 its reverse (1366111221), we get a palindrome (13577277531).

The spelling of 12211166310 in words is "twelve billion, two hundred eleven million, one hundred sixty-six thousand, three hundred ten".