12321543115 has 8 divisors (see below), whose sum is σ = 16898116320. Its totient is φ = 8449058112.

The previous prime is 12321543083. The next prime is 12321543119. The reversal of 12321543115 is 51134512321.

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 12321543115 - 2⁵ = 12321543083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12321543119) 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, 176022010 + ... + 176022079.

It is an arithmetic number, because the mean of its divisors is an integer number (2112264540).

Almost surely, 2^12321543115 is an apocalyptic number.

12321543115 is a deficient number, since it is larger than the sum of its proper divisors (4576573205).

12321543115 is an equidigital number, since it uses as much as digits as its factorization.

12321543115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352044101.

The product of its digits is 3600, while the sum is 28.

The spelling of 12321543115 in words is "twelve billion, three hundred twenty-one million, five hundred forty-three thousand, one hundred fifteen".