12257733734 has 8 divisors (see below), whose sum is σ = 18458144568. Its totient is φ = 6105018880.

The previous prime is 12257733731. The next prime is 12257733743. The reversal of 12257733734 is 43733775221.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12257733731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11923352 + ... + 11924379.

It is an arithmetic number, because the mean of its divisors is an integer number (2307268071).

Almost surely, 2^12257733734 is an apocalyptic number.

12257733734 is a deficient number, since it is larger than the sum of its proper divisors (6200410834).

12257733734 is a wasteful number, since it uses less digits than its factorization.

12257733734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23847990.

The product of its digits is 740880, while the sum is 44.

The spelling of 12257733734 in words is "twelve billion, two hundred fifty-seven million, seven hundred thirty-three thousand, seven hundred thirty-four".