12203412 has 48 divisors (see below), whose sum is σ = 30942912. Its totient is φ = 3720960.

The previous prime is 12203393. The next prime is 12203417. The reversal of 12203412 is 21430221.

12203412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12203391 and 12203400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12203417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21087 + ... + 21657.

It is an arithmetic number, because the mean of its divisors is an integer number (644644).

Almost surely, 2^12203412 is an apocalyptic number.

12203412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12203412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15471456).

12203412 is an abundant number, since it is smaller than the sum of its proper divisors (18739500).

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

12203412 is a wasteful number, since it uses less digits than its factorization.

12203412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728 (or 726 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 12203412 is about 3493.3382315487. The cubic root of 12203412 is about 230.2292106935.

Adding to 12203412 its reverse (21430221), we get a palindrome (33633633).

The spelling of 12203412 in words is "twelve million, two hundred three thousand, four hundred twelve".