12400032342 has 8 divisors (see below), whose sum is σ = 24800064696. Its totient is φ = 4133344112.

The previous prime is 12400032341. The next prime is 12400032391. The reversal of 12400032342 is 24323000421.

It is a sphenic number, since it is the product of 3 distinct primes.

12400032342 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12400032341) 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, 1033336023 + ... + 1033336034.

It is an arithmetic number, because the mean of its divisors is an integer number (3100008087).

Almost surely, 2^12400032342 is an apocalyptic number.

12400032342 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12400032342 is a wasteful number, since it uses less digits than its factorization.

12400032342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2066672062.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 12400032342 its reverse (24323000421), we get a palindrome (36723032763).

The spelling of 12400032342 in words is "twelve billion, four hundred million, thirty-two thousand, three hundred forty-two".