12705771347706 has 32 divisors (see below), whose sum is σ = 26750579054400. Its totient is φ = 4012110835200.

The previous prime is 12705771347663. The next prime is 12705771347771. The reversal of 12705771347706 is 60774317750721.

It is a super-2 number, since 2×12705771347706² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

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, 1370551 + ... + 5223978.

It is an arithmetic number, because the mean of its divisors is an integer number (835955595450).

Almost surely, 2^{12705771347706} is an apocalyptic number.

12705771347706 is an abundant number, since it is smaller than the sum of its proper divisors (14044807706694).

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

12705771347706 is a wasteful number, since it uses less digits than its factorization.

12705771347706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6611454.

The product of its (nonzero) digits is 12101040, while the sum is 57.

The spelling of 12705771347706 in words is "twelve trillion, seven hundred five billion, seven hundred seventy-one million, three hundred forty-seven thousand, seven hundred six".