12340123020432 has 60 divisors (see below), whose sum is σ = 34582709412160. Its totient is φ = 4107716293824.

The previous prime is 12340123020403. The next prime is 12340123020451. The reversal of 12340123020432 is 23402032104321.

12340123020432 is a `hidden beast` number, since 1 + 2 + 3 + 401 + 23 + 0 + 204 + 32 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 12340123020396 and 12340123020405.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58832932 + ... + 59042307.

Almost surely, 2^{12340123020432} is an apocalyptic number.

12340123020432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12340123020432 is an abundant number, since it is smaller than the sum of its proper divisors (22242586391728).

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

12340123020432 is a wasteful number, since it uses less digits than its factorization.

12340123020432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117875980 (or 117875971 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 12340123020432 its reverse (23402032104321), we get a palindrome (35742155124753).

The spelling of 12340123020432 in words is "twelve trillion, three hundred forty billion, one hundred twenty-three million, twenty thousand, four hundred thirty-two".