12712255028 has 24 divisors (see below), whose sum is σ = 24322939200. Its totient is φ = 5765419520.

The previous prime is 12712255021. The next prime is 12712255051. The reversal of 12712255028 is 82055221721.

It is a super-2 number, since 2×12712255028² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12712255021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 301976 + ... + 341487.

It is an arithmetic number, because the mean of its divisors is an integer number (1013455800).

Almost surely, 2^12712255028 is an apocalyptic number.

It is an amenable number.

12712255028 is a deficient number, since it is larger than the sum of its proper divisors (11610684172).

12712255028 is a wasteful number, since it uses less digits than its factorization.

12712255028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643927 (or 643925 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 35.

Adding to 12712255028 its reverse (82055221721), we get a palindrome (94767476749).

The spelling of 12712255028 in words is "twelve billion, seven hundred twelve million, two hundred fifty-five thousand, twenty-eight".