12354043412 has 24 divisors (see below), whose sum is σ = 23449645800. Its totient is φ = 5671869440.

The previous prime is 12354043411. The next prime is 12354043417. The reversal of 12354043412 is 21434045321.

12354043412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1727732356 + 10626311056 = 41566^2 + 103084^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12354043411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2212787 + ... + 2218362.

It is an arithmetic number, because the mean of its divisors is an integer number (977068575).

Almost surely, 2^12354043412 is an apocalyptic number.

It is an amenable number.

12354043412 is a deficient number, since it is larger than the sum of its proper divisors (11095602388).

12354043412 is a wasteful number, since it uses less digits than its factorization.

12354043412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4431211 (or 4431209 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 12354043412 its reverse (21434045321), we get a palindrome (33788088733).

The spelling of 12354043412 in words is "twelve billion, three hundred fifty-four million, forty-three thousand, four hundred twelve".