12512777527641 has 8 divisors (see below), whose sum is σ = 16683719716224. Its totient is φ = 8341843512080.

The previous prime is 12512777527639. The next prime is 12512777527667. The reversal of 12512777527641 is 14672577721521.

It is a happy number.

12512777527641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12512777527641 - 2¹ = 12512777527639 is a prime.

It is a super-3 number, since 3×12512777527641³ (a number of 40 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12512777527631) 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, 4887856 + ... + 6994046.

It is an arithmetic number, because the mean of its divisors is an integer number (2085464964528).

Almost surely, 2^{12512777527641} is an apocalyptic number.

It is an amenable number.

12512777527641 is a deficient number, since it is larger than the sum of its proper divisors (4170942188583).

12512777527641 is a wasteful number, since it uses less digits than its factorization.

12512777527641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4086511.

The product of its digits is 11524800, while the sum is 57.

The spelling of 12512777527641 in words is "twelve trillion, five hundred twelve billion, seven hundred seventy-seven million, five hundred twenty-seven thousand, six hundred forty-one".