12231127538 has 8 divisors (see below), whose sum is σ = 20967647232. Its totient is φ = 5241911796.

The previous prime is 12231127483. The next prime is 12231127549. The reversal of 12231127538 is 83572113221.

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

It is a junction number, because it is equal to n+sod(n) for n = 12231127498 and 12231127507.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 436825970 + ... + 436825997.

It is an arithmetic number, because the mean of its divisors is an integer number (2620955904).

Almost surely, 2^12231127538 is an apocalyptic number.

12231127538 is a deficient number, since it is larger than the sum of its proper divisors (8736519694).

12231127538 is an equidigital number, since it uses as much as digits as its factorization.

12231127538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 873651976.

The product of its digits is 20160, while the sum is 35.

The spelling of 12231127538 in words is "twelve billion, two hundred thirty-one million, one hundred twenty-seven thousand, five hundred thirty-eight".