12016431115 has 8 divisors (see below), whose sum is σ = 15528926448. Its totient is φ = 8873672160.

The previous prime is 12016431107. The next prime is 12016431131. The reversal of 12016431115 is 51113461021.

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

It is not a de Polignac number, because 12016431115 - 2³ = 12016431107 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12016431115.

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, 92434021 + ... + 92434150.

It is an arithmetic number, because the mean of its divisors is an integer number (1941115806).

Almost surely, 2^12016431115 is an apocalyptic number.

12016431115 is a deficient number, since it is larger than the sum of its proper divisors (3512495333).

12016431115 is a wasteful number, since it uses less digits than its factorization.

12016431115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184868189.

The product of its (nonzero) digits is 720, while the sum is 25.

Adding to 12016431115 its reverse (51113461021), we get a palindrome (63129892136).

The spelling of 12016431115 in words is "twelve billion, sixteen million, four hundred thirty-one thousand, one hundred fifteen".