12010432440 has 64 divisors (see below), whose sum is σ = 36038707200. Its totient is φ = 3202123392.

The previous prime is 12010432439. The next prime is 12010432451. The reversal of 12010432440 is 4423401021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 939129 + ... + 951831.

It is an arithmetic number, because the mean of its divisors is an integer number (563104800).

Almost surely, 2^12010432440 is an apocalyptic number.

12010432440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12010432440 is an abundant number, since it is smaller than the sum of its proper divisors (24028274760).

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

12010432440 is a wasteful number, since it uses less digits than its factorization.

12010432440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20596 (or 20592 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 12010432440 its reverse (4423401021), we get a palindrome (16433833461).

The spelling of 12010432440 in words is "twelve billion, ten million, four hundred thirty-two thousand, four hundred forty".