12447386126 has 32 divisors (see below), whose sum is σ = 21755459520. Its totient is φ = 5230457856.

The previous prime is 12447386099. The next prime is 12447386137. The reversal of 12447386126 is 62168374421.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1322750 + ... + 1332126.

It is an arithmetic number, because the mean of its divisors is an integer number (679858110).

Almost surely, 2^12447386126 is an apocalyptic number.

12447386126 is a deficient number, since it is larger than the sum of its proper divisors (9308073394).

12447386126 is a wasteful number, since it uses less digits than its factorization.

12447386126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11228.

The product of its digits is 387072, while the sum is 44.

The spelling of 12447386126 in words is "twelve billion, four hundred forty-seven million, three hundred eighty-six thousand, one hundred twenty-six".