12224032240 has 80 divisors (see below), whose sum is σ = 34391673792. Its totient is φ = 3944558592.

The previous prime is 12224032229. The next prime is 12224032243. The reversal of 12224032240 is 4223042221.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12224032243) 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, 632499 + ... + 651538.

Almost surely, 2^12224032240 is an apocalyptic number.

12224032240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12224032240 is an abundant number, since it is smaller than the sum of its proper divisors (22167641552).

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

12224032240 is a wasteful number, since it uses less digits than its factorization.

12224032240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1284074 (or 1284068 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 12224032240 its reverse (4223042221), we get a palindrome (16447074461).

The spelling of 12224032240 in words is "twelve billion, two hundred twenty-four million, thirty-two thousand, two hundred forty".