12349037812 has 6 divisors (see below), whose sum is σ = 21610816178. Its totient is φ = 6174518904.

The previous prime is 12349037809. The next prime is 12349037843. The reversal of 12349037812 is 21873094321.

12349037812 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 only one way, i.e., 12341876836 + 7160976 = 111094^2 + 2676^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1543629723 + ... + 1543629730.

Almost surely, 2^12349037812 is an apocalyptic number.

It is an amenable number.

12349037812 is a deficient number, since it is larger than the sum of its proper divisors (9261778366).

12349037812 is a wasteful number, since it uses less digits than its factorization.

12349037812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3087259457 (or 3087259455 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The spelling of 12349037812 in words is "twelve billion, three hundred forty-nine million, thirty-seven thousand, eight hundred twelve".