12557110127 has 8 divisors (see below), whose sum is σ = 13221826800. Its totient is φ = 11892775104.

The previous prime is 12557110121. The next prime is 12557110151. The reversal of 12557110127 is 72101175521.

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 12557110127 - 2⁸ = 12557109871 is a prime.

It is a super-2 number, since 2×12557110127² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12557110093 and 12557110102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12557110121) 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, 26588 + ... + 160689.

It is an arithmetic number, because the mean of its divisors is an integer number (1652728350).

Almost surely, 2^12557110127 is an apocalyptic number.

12557110127 is a deficient number, since it is larger than the sum of its proper divisors (664716673).

12557110127 is a wasteful number, since it uses less digits than its factorization.

12557110127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190825.

The product of its (nonzero) digits is 4900, while the sum is 32.

Adding to 12557110127 its reverse (72101175521), we get a palindrome (84658285648).

The spelling of 12557110127 in words is "twelve billion, five hundred fifty-seven million, one hundred ten thousand, one hundred twenty-seven".