12212310 has 64 divisors (see below), whose sum is σ = 33384960. Its totient is φ = 2830080.

The previous prime is 12212303. The next prime is 12212311. The reversal of 12212310 is 1321221.

12212310 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12212310² = 298281031072200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12212311) 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, 6786 + ... + 8394.

It is an arithmetic number, because the mean of its divisors is an integer number (521640).

Almost surely, 2^12212310 is an apocalyptic number.

12212310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12212310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16692480).

12212310 is an abundant number, since it is smaller than the sum of its proper divisors (21172650).

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

12212310 is a wasteful number, since it uses less digits than its factorization.

12212310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1653.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 12212310 is about 3494.6115663976. The cubic root of 12212310 is about 230.2851535674.

Adding to 12212310 its reverse (1321221), we get a palindrome (13533531).

The spelling of 12212310 in words is "twelve million, two hundred twelve thousand, three hundred ten".