12712255012 has 6 divisors (see below), whose sum is σ = 22246446278. Its totient is φ = 6356127504.

The previous prime is 12712255001. The next prime is 12712255013. The reversal of 12712255012 is 21055221721.

It can be written as a sum of positive squares in only one way, i.e., 12169178596 + 543076416 = 110314^2 + 23304^2 .

It is not an unprimeable number, because it can be changed into a prime (12712255013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1589031873 + ... + 1589031880.

Almost surely, 2^12712255012 is an apocalyptic number.

It is an amenable number.

12712255012 is a deficient number, since it is larger than the sum of its proper divisors (9534191266).

12712255012 is a wasteful number, since it uses less digits than its factorization.

12712255012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3178063757 (or 3178063755 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 28.

Adding to 12712255012 its reverse (21055221721), we get a palindrome (33767476733).

The spelling of 12712255012 in words is "twelve billion, seven hundred twelve million, two hundred fifty-five thousand, twelve".