12537737242 has 8 divisors (see below), whose sum is σ = 18873534132. Its totient is φ = 6246559200.

The previous prime is 12537737237. The next prime is 12537737263. The reversal of 12537737242 is 24273773521.

It is a happy number.

12537737242 is digitally balanced in base 2 and base 5, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 12356323281 + 181413961 = 111159^2 + 13469^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 in 3 ways as a sum of consecutive naturals, for example, 11154009 + ... + 11155132.

Almost surely, 2^12537737242 is an apocalyptic number.

12537737242 is a deficient number, since it is larger than the sum of its proper divisors (6335796890).

12537737242 is a wasteful number, since it uses less digits than its factorization.

12537737242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22309424.

The product of its digits is 493920, while the sum is 43.

The spelling of 12537737242 in words is "twelve billion, five hundred thirty-seven million, seven hundred thirty-seven thousand, two hundred forty-two".