12481025012 has 6 divisors (see below), whose sum is σ = 21841793778. Its totient is φ = 6240512504.

The previous prime is 12481024999. The next prime is 12481025021. The reversal of 12481025012 is 21052018421.

It can be written as a sum of positive squares in only one way, i.e., 12381903076 + 99121936 = 111274^2 + 9956^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1560128123 + ... + 1560128130.

It is an arithmetic number, because the mean of its divisors is an integer number (3640298963).

Almost surely, 2^12481025012 is an apocalyptic number.

It is an amenable number.

12481025012 is a deficient number, since it is larger than the sum of its proper divisors (9360768766).

12481025012 is a wasteful number, since it uses less digits than its factorization.

12481025012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3120256257 (or 3120256255 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 26.

The spelling of 12481025012 in words is "twelve billion, four hundred eighty-one million, twenty-five thousand, twelve".