12043135115 has 16 divisors (see below), whose sum is σ = 15830993376. Its totient is φ = 8722291200.

The previous prime is 12043135081. The next prime is 12043135127. The reversal of 12043135115 is 51153134021.

It is not a de Polignac number, because 12043135115 - 2¹⁸ = 12042872971 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 441032 + ... + 467541.

It is an arithmetic number, because the mean of its divisors is an integer number (989437086).

Almost surely, 2^12043135115 is an apocalyptic number.

12043135115 is a deficient number, since it is larger than the sum of its proper divisors (3787858261).

12043135115 is a wasteful number, since it uses less digits than its factorization.

12043135115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 908830.

The product of its (nonzero) digits is 1800, while the sum is 26.

Adding to 12043135115 its reverse (51153134021), we get a palindrome (63196269136).

The spelling of 12043135115 in words is "twelve billion, forty-three million, one hundred thirty-five thousand, one hundred fifteen".