12144040043 has 16 divisors (see below), whose sum is σ = 13103928576. Its totient is φ = 11226689760.

The previous prime is 12144040031. The next prime is 12144040061. The reversal of 12144040043 is 34004044121.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12144040043 - 2⁶ = 12144039979 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12144040093) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7328 + ... + 156018.

It is an arithmetic number, because the mean of its divisors is an integer number (818995536).

Almost surely, 2^12144040043 is an apocalyptic number.

12144040043 is a deficient number, since it is larger than the sum of its proper divisors (959888533).

12144040043 is a wasteful number, since it uses less digits than its factorization.

12144040043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148834.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 12144040043 its reverse (34004044121), we get a palindrome (46148084164).

The spelling of 12144040043 in words is "twelve billion, one hundred forty-four million, forty thousand, forty-three".