12015435441 has 16 divisors (see below), whose sum is σ = 17275083840. Its totient is φ = 7403604480.

The previous prime is 12015435361. The next prime is 12015435499. The reversal of 12015435441 is 14453451021.

It is not a de Polignac number, because 12015435441 - 2¹⁴ = 12015419057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12015435399 and 12015435408.

It is not an unprimeable number, because it can be changed into a prime (12015435541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2568360 + ... + 2573033.

It is an arithmetic number, because the mean of its divisors is an integer number (1079692740).

Almost surely, 2^12015435441 is an apocalyptic number.

It is an amenable number.

12015435441 is a deficient number, since it is larger than the sum of its proper divisors (5259648399).

12015435441 is a wasteful number, since it uses less digits than its factorization.

12015435441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5141456.

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 12015435441 its reverse (14453451021), we get a palindrome (26468886462).

The spelling of 12015435441 in words is "twelve billion, fifteen million, four hundred thirty-five thousand, four hundred forty-one".