12542332504427 has 8 divisors (see below), whose sum is σ = 13786991456832. Its totient is φ = 11315081369800.

The previous prime is 12542332504399. The next prime is 12542332504451. The reversal of 12542332504427 is 72440523324521.

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

It is a cyclic number.

It is not a de Polignac number, because 12542332504427 - 2⁶ = 12542332504363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12542332504487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4351952933 + ... + 4351955814.

It is an arithmetic number, because the mean of its divisors is an integer number (1723373932104).

Almost surely, 2^{12542332504427} is an apocalyptic number.

12542332504427 is a deficient number, since it is larger than the sum of its proper divisors (1244658952405).

12542332504427 is a wasteful number, since it uses less digits than its factorization.

12542332504427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8703908889.

The product of its (nonzero) digits is 1612800, while the sum is 44.

Adding to 12542332504427 its reverse (72440523324521), we get a palindrome (84982855828948).

The spelling of 12542332504427 in words is "twelve trillion, five hundred forty-two billion, three hundred thirty-two million, five hundred four thousand, four hundred twenty-seven".