12340424243151 has 24 divisors (see below), whose sum is σ = 18331111665360. Its totient is φ = 7996287326976.

The previous prime is 12340424243141. The next prime is 12340424243167. The reversal of 12340424243151 is 15134242404321.

12340424243151 is a `hidden beast` number, since 1 + 2 + 3 + 40 + 42 + 424 + 3 + 151 = 666.

It is not a de Polignac number, because 12340424243151 - 2³³ = 12331834308559 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12340424243111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 120841066 + ... + 120943143.

It is an arithmetic number, because the mean of its divisors is an integer number (763796319390).

Almost surely, 2^{12340424243151} is an apocalyptic number.

12340424243151 is a deficient number, since it is larger than the sum of its proper divisors (5990687422209).

12340424243151 is a wasteful number, since it uses less digits than its factorization.

12340424243151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241784375 (or 241784372 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

Adding to 12340424243151 its reverse (15134242404321), we get a palindrome (27474666647472).

The spelling of 12340424243151 in words is "twelve trillion, three hundred forty billion, four hundred twenty-four million, two hundred forty-three thousand, one hundred fifty-one".