12210310 has 24 divisors (see below), whose sum is σ = 25567920. Its totient is φ = 4186224.

The previous prime is 12210307. The next prime is 12210343. The reversal of 12210310 is 1301221.

It is a super-2 number, since 2×12210310² = 298183340592200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11970 + ... + 12949.

It is an arithmetic number, because the mean of its divisors is an integer number (1065330).

Almost surely, 2^12210310 is an apocalyptic number.

12210310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12210310 is an abundant number, since it is smaller than the sum of its proper divisors (13357610).

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

12210310 is a wasteful number, since it uses less digits than its factorization.

12210310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24940 (or 24933 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 12210310 is about 3494.3253998447. The cubic root of 12210310 is about 230.2725816775.

Adding to 12210310 its reverse (1301221), we get a palindrome (13511531).

The spelling of 12210310 in words is "twelve million, two hundred ten thousand, three hundred ten".