12412340140 has 24 divisors (see below), whose sum is σ = 27437805360. Its totient is φ = 4703623488.

The previous prime is 12412340137. The next prime is 12412340147. The reversal of 12412340140 is 4104321421.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12412340147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16331647 + ... + 16332406.

It is an arithmetic number, because the mean of its divisors is an integer number (1143241890).

Almost surely, 2^12412340140 is an apocalyptic number.

12412340140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12412340140 is an abundant number, since it is smaller than the sum of its proper divisors (15025465220).

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

12412340140 is a wasteful number, since it uses less digits than its factorization.

12412340140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32664081 (or 32664079 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 12412340140 its reverse (4104321421), we get a palindrome (16516661561).

The spelling of 12412340140 in words is "twelve billion, four hundred twelve million, three hundred forty thousand, one hundred forty".