12555612127 has 8 divisors (see below), whose sum is σ = 12782998800. Its totient is φ = 12328920960.

The previous prime is 12555612107. The next prime is 12555612131. The reversal of 12555612127 is 72121655521.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12555612127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12555612107) 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, 137377 + ... + 209722.

It is an arithmetic number, because the mean of its divisors is an integer number (1597874850).

Almost surely, 2^12555612127 is an apocalyptic number.

12555612127 is a deficient number, since it is larger than the sum of its proper divisors (227386673).

12555612127 is an equidigital number, since it uses as much as digits as its factorization.

12555612127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347753.

The product of its digits is 42000, while the sum is 37.

The spelling of 12555612127 in words is "twelve billion, five hundred fifty-five million, six hundred twelve thousand, one hundred twenty-seven".