12214343240 has 64 divisors (see below), whose sum is σ = 30023136000. Its totient is φ = 4435287040.

The previous prime is 12214343227. The next prime is 12214343257. The reversal of 12214343240 is 4234341221.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 297056 + ... + 335664.

It is an arithmetic number, because the mean of its divisors is an integer number (469111500).

Almost surely, 2^12214343240 is an apocalyptic number.

12214343240 is a gapful number since it is divisible by the number (10) 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 12214343240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15011568000).

12214343240 is an abundant number, since it is smaller than the sum of its proper divisors (17808792760).

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

12214343240 is a wasteful number, since it uses less digits than its factorization.

12214343240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39350 (or 39346 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 12214343240 its reverse (4234341221), we get a palindrome (16448684461).

The spelling of 12214343240 in words is "twelve billion, two hundred fourteen million, three hundred forty-three thousand, two hundred forty".