12705217276461 has 8 divisors (see below), whose sum is σ = 17026281021024. Its totient is φ = 8427149191440.

The previous prime is 12705217276421. The next prime is 12705217276463. The reversal of 12705217276461 is 16467271250721.

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

It is not a de Polignac number, because 12705217276461 - 2⁷ = 12705217276333 is a prime.

It is a super-2 number, since 2×12705217276461² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12705217276463) 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, 10748914195 + ... + 10748915376.

It is an arithmetic number, because the mean of its divisors is an integer number (2128285127628).

Almost surely, 2^{12705217276461} is an apocalyptic number.

It is an amenable number.

12705217276461 is a deficient number, since it is larger than the sum of its proper divisors (4321063744563).

12705217276461 is a wasteful number, since it uses less digits than its factorization.

12705217276461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21497829771.

The product of its (nonzero) digits is 1975680, while the sum is 51.

The spelling of 12705217276461 in words is "twelve trillion, seven hundred five billion, two hundred seventeen million, two hundred seventy-six thousand, four hundred sixty-one".