12705839101 has 4 divisors (see below), whose sum is σ = 13258266912. Its totient is φ = 12153411292.

The previous prime is 12705839099. The next prime is 12705839119. The reversal of 12705839101 is 10193850721.

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 12705839101 - 2¹ = 12705839099 is a prime.

It is a super-2 number, since 2×12705839101² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12705839131) 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, 276213871 + ... + 276213916.

It is an arithmetic number, because the mean of its divisors is an integer number (3314566728).

Almost surely, 2^12705839101 is an apocalyptic number.

It is an amenable number.

12705839101 is a deficient number, since it is larger than the sum of its proper divisors (552427811).

12705839101 is an equidigital number, since it uses as much as digits as its factorization.

12705839101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552427810.

The product of its (nonzero) digits is 15120, while the sum is 37.

The spelling of 12705839101 in words is "twelve billion, seven hundred five million, eight hundred thirty-nine thousand, one hundred one".