12051317127 has 16 divisors (see below), whose sum is σ = 16552483200. Its totient is φ = 7794689952.

The previous prime is 12051317099. The next prime is 12051317149. The reversal of 12051317127 is 72171315021.

It is not a de Polignac number, because 12051317127 - 2¹⁰ = 12051316103 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12051317094 and 12051317103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12051310127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 294273 + ... + 332714.

It is an arithmetic number, because the mean of its divisors is an integer number (1034530200).

Almost surely, 2^12051317127 is an apocalyptic number.

12051317127 is a deficient number, since it is larger than the sum of its proper divisors (4501166073).

12051317127 is a wasteful number, since it uses less digits than its factorization.

12051317127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627182.

The product of its (nonzero) digits is 2940, while the sum is 30.

The spelling of 12051317127 in words is "twelve billion, fifty-one million, three hundred seventeen thousand, one hundred twenty-seven".