12427457147512 has 32 divisors (see below), whose sum is σ = 25588141776000. Its totient is φ = 5611434588000.

The previous prime is 12427457147507. The next prime is 12427457147519. The reversal of 12427457147512 is 21574175472421.

It is a self number, because there is not a number n which added to its sum of digits gives 12427457147512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12427457147519) 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, 467606262 + ... + 467632837.

It is an arithmetic number, because the mean of its divisors is an integer number (799629430500).

Almost surely, 2^{12427457147512} is an apocalyptic number.

It is an amenable number.

12427457147512 is an abundant number, since it is smaller than the sum of its proper divisors (13160684628488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12427457147512 is a wasteful number, since it uses less digits than its factorization.

12427457147512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 935239267 (or 935239263 counting only the distinct ones).

The product of its digits is 4390400, while the sum is 52.

The spelling of 12427457147512 in words is "twelve trillion, four hundred twenty-seven billion, four hundred fifty-seven million, one hundred forty-seven thousand, five hundred twelve".