12102344440 has 16 divisors (see below), whose sum is σ = 27230275080. Its totient is φ = 4840937760.

The previous prime is 12102344437. The next prime is 12102344459. The reversal of 12102344440 is 4444320121.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 151279266 + ... + 151279345.

Almost surely, 2^12102344440 is an apocalyptic number.

12102344440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12102344440 is an abundant number, since it is smaller than the sum of its proper divisors (15127930640).

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

12102344440 is a wasteful number, since it uses less digits than its factorization.

12102344440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302558622 (or 302558618 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 12102344440 its reverse (4444320121), we get a palindrome (16546664561).

The spelling of 12102344440 in words is "twelve billion, one hundred two million, three hundred forty-four thousand, four hundred forty".