12212343 has 32 divisors (see below), whose sum is σ = 21262080. Its totient is φ = 6829920.

The previous prime is 12212327. The next prime is 12212363. The reversal of 12212343 is 34321221.

12212343 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12212343 - 2⁴ = 12212327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12212303) 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, 2280 + ... + 5442.

It is an arithmetic number, because the mean of its divisors is an integer number (664440).

Almost surely, 2^12212343 is an apocalyptic number.

12212343 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12212343 is a deficient number, since it is larger than the sum of its proper divisors (9049737).

12212343 is a wasteful number, since it uses less digits than its factorization.

12212343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3196 (or 3190 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 12212343 is about 3494.6162879492. The cubic root of 12212343 is about 230.2853609921.

Adding to 12212343 its reverse (34321221), we get a palindrome (46533564).

The spelling of 12212343 in words is "twelve million, two hundred twelve thousand, three hundred forty-three".