12211310 has 8 divisors (see below), whose sum is σ = 21980376. Its totient is φ = 4884520.

The previous prime is 12211307. The next prime is 12211327. The reversal of 12211310 is 1311221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×12211310² = 298232183832200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12211291 and 12211300.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 610556 + ... + 610575.

It is an arithmetic number, because the mean of its divisors is an integer number (2747547).

Almost surely, 2^12211310 is an apocalyptic number.

12211310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12211310 is a deficient number, since it is larger than the sum of its proper divisors (9769066).

12211310 is a wasteful number, since it uses less digits than its factorization.

12211310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1221138.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 12211310 is about 3494.4684860505. The cubic root of 12211310 is about 230.2788677940.

Adding to 12211310 its reverse (1311221), we get a palindrome (13522531).

It can be divided in two parts, 12211 and 310, that added together give a palindrome (12521).

The spelling of 12211310 in words is "twelve million, two hundred eleven thousand, three hundred ten".