12460457681281 has 4 divisors (see below), whose sum is σ = 12480587662000. Its totient is φ = 12440327700564.

The previous prime is 12460457681279. The next prime is 12460457681297. The reversal of 12460457681281 is 18218675406421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12460457681281 - 2¹ = 12460457681279 is a prime.

It is a super-3 number, since 3×12460457681281³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12460457681081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10064989431 + ... + 10064990668.

It is an arithmetic number, because the mean of its divisors is an integer number (3120146915500).

Almost surely, 2^{12460457681281} is an apocalyptic number.

It is an amenable number.

12460457681281 is a deficient number, since it is larger than the sum of its proper divisors (20129980719).

12460457681281 is an equidigital number, since it uses as much as digits as its factorization.

12460457681281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20129980718.

The product of its (nonzero) digits is 5160960, while the sum is 55.

The spelling of 12460457681281 in words is "twelve trillion, four hundred sixty billion, four hundred fifty-seven million, six hundred eighty-one thousand, two hundred eighty-one".