12432040412 has 12 divisors (see below), whose sum is σ = 23733895416. Its totient is φ = 5650927440.

The previous prime is 12432040393. The next prime is 12432040433. The reversal of 12432040412 is 21404023421.

It is a super-2 number, since 2×12432040412² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141273143 + ... + 141273230.

It is an arithmetic number, because the mean of its divisors is an integer number (1977824618).

Almost surely, 2^12432040412 is an apocalyptic number.

It is an amenable number.

12432040412 is a deficient number, since it is larger than the sum of its proper divisors (11301855004).

12432040412 is a wasteful number, since it uses less digits than its factorization.

12432040412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282546388 (or 282546386 counting only the distinct ones).

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

Adding to 12432040412 its reverse (21404023421), we get a palindrome (33836063833).

The spelling of 12432040412 in words is "twelve billion, four hundred thirty-two million, forty thousand, four hundred twelve".