12427755237 has 10 divisors (see below), whose sum is σ = 18564918438. Its totient is φ = 8285170104.

The previous prime is 12427755217. The next prime is 12427755251. The reversal of 12427755237 is 73255772421.

12427755237 is a `hidden beast` number, since 1 + 24 + 2 + 77 + 552 + 3 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 11925950436 + 501804801 = 109206^2 + 22401^2 .

It is not a de Polignac number, because 12427755237 - 2⁶ = 12427755173 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12427755192 and 12427755201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12427755217) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 76714458 + ... + 76714619.

Almost surely, 2^12427755237 is an apocalyptic number.

It is an amenable number.

12427755237 is a deficient number, since it is larger than the sum of its proper divisors (6137163201).

12427755237 is an equidigital number, since it uses as much as digits as its factorization.

12427755237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153429089 (or 153429080 counting only the distinct ones).

The product of its digits is 823200, while the sum is 45.

The spelling of 12427755237 in words is "twelve billion, four hundred twenty-seven million, seven hundred fifty-five thousand, two hundred thirty-seven".