12400234342 has 16 divisors (see below), whose sum is σ = 18721684800. Its totient is φ = 6159741120.

The previous prime is 12400234339. The next prime is 12400234351. The reversal of 12400234342 is 24343200421.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 359634 + ... + 392602.

It is an arithmetic number, because the mean of its divisors is an integer number (1170105300).

Almost surely, 2^12400234342 is an apocalyptic number.

12400234342 is a deficient number, since it is larger than the sum of its proper divisors (6321450458).

12400234342 is a wasteful number, since it uses less digits than its factorization.

12400234342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34191.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 12400234342 its reverse (24343200421), we get a palindrome (36743434763).

The spelling of 12400234342 in words is "twelve billion, four hundred million, two hundred thirty-four thousand, three hundred forty-two".