12140233240 has 16 divisors (see below), whose sum is σ = 27315524880. Its totient is φ = 4856093280.

The previous prime is 12140233219. The next prime is 12140233241. The reversal of 12140233240 is 4233204121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12140233241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151752876 + ... + 151752955.

It is an arithmetic number, because the mean of its divisors is an integer number (1707220305).

Almost surely, 2^12140233240 is an apocalyptic number.

12140233240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12140233240 is an abundant number, since it is smaller than the sum of its proper divisors (15175291640).

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

12140233240 is a wasteful number, since it uses less digits than its factorization.

12140233240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303505842 (or 303505838 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 12140233240 its reverse (4233204121), we get a palindrome (16373437361).

The spelling of 12140233240 in words is "twelve billion, one hundred forty million, two hundred thirty-three thousand, two hundred forty".