12257733733 has 16 divisors (see below), whose sum is σ = 14256676224. Its totient is φ = 10322334720.

The previous prime is 12257733731. The next prime is 12257733743. The reversal of 12257733733 is 33733775221.

It is a cyclic number.

It is not a de Polignac number, because 12257733733 - 2¹ = 12257733731 is a prime.

It is a super-2 number, since 2×12257733733² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12257733733.

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 15 ways as a sum of consecutive naturals, for example, 27138 + ... + 158908.

It is an arithmetic number, because the mean of its divisors is an integer number (891042264).

Almost surely, 2^12257733733 is an apocalyptic number.

It is an amenable number.

12257733733 is a deficient number, since it is larger than the sum of its proper divisors (1998942491).

12257733733 is a wasteful number, since it uses less digits than its factorization.

12257733733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132012.

The product of its digits is 555660, while the sum is 43.

The spelling of 12257733733 in words is "twelve billion, two hundred fifty-seven million, seven hundred thirty-three thousand, seven hundred thirty-three".