12255532112345 has 8 divisors (see below), whose sum is σ = 14707577090880. Its totient is φ = 9803799985840.

The previous prime is 12255532112333. The next prime is 12255532112363. The reversal of 12255532112345 is 54321123555221.

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

It is not a de Polignac number, because 12255532112345 - 2²² = 12255527918041 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78126815 + ... + 78283524.

It is an arithmetic number, because the mean of its divisors is an integer number (1838447136360).

Almost surely, 2^{12255532112345} is an apocalyptic number.

It is an amenable number.

12255532112345 is a deficient number, since it is larger than the sum of its proper divisors (2452044978535).

12255532112345 is a wasteful number, since it uses less digits than its factorization.

12255532112345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156426015.

The product of its digits is 360000, while the sum is 41.

Adding to 12255532112345 its reverse (54321123555221), we get a palindrome (66576655667566).

The spelling of 12255532112345 in words is "twelve trillion, two hundred fifty-five billion, five hundred thirty-two million, one hundred twelve thousand, three hundred forty-five".