12342133140 has 48 divisors (see below), whose sum is σ = 34562899392. Its totient is φ = 3290766336.

The previous prime is 12342133091. The next prime is 12342133147. The reversal of 12342133140 is 4133124321.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12342133140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12342133147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 688167 + ... + 705873.

It is an arithmetic number, because the mean of its divisors is an integer number (720060404).

Almost surely, 2^12342133140 is an apocalyptic number.

12342133140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12342133140 is an abundant number, since it is smaller than the sum of its proper divisors (22220766252).

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

12342133140 is a wasteful number, since it uses less digits than its factorization.

12342133140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29336 (or 29334 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 12342133140 its reverse (4133124321), we get a palindrome (16475257461).

The spelling of 12342133140 in words is "twelve billion, three hundred forty-two million, one hundred thirty-three thousand, one hundred forty".