12412033440 has 48 divisors (see below), whose sum is σ = 39097906848. Its totient is φ = 3309875456.

The previous prime is 12412033411. The next prime is 12412033441. The reversal of 12412033440 is 4433021421.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 12412033440.

It is not an unprimeable number, because it can be changed into a prime (12412033441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12928722 + ... + 12929681.

It is an arithmetic number, because the mean of its divisors is an integer number (814539726).

Almost surely, 2^12412033440 is an apocalyptic number.

12412033440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12412033440 is an abundant number, since it is smaller than the sum of its proper divisors (26685873408).

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

12412033440 is a wasteful number, since it uses less digits than its factorization.

12412033440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25858421 (or 25858413 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 12412033440 its reverse (4433021421), we get a palindrome (16845054861).

The spelling of 12412033440 in words is "twelve billion, four hundred twelve million, thirty-three thousand, four hundred forty".