12679019701 has 4 divisors (see below), whose sum is σ = 12893918400. Its totient is φ = 12464121004.

The previous prime is 12679019687. The next prime is 12679019707. The reversal of 12679019701 is 10791097621.

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 12679019701 - 2⁵ = 12679019669 is a prime.

It is a super-2 number, since 2×12679019701² (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 (12679019707) 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, 107449261 + ... + 107449378.

It is an arithmetic number, because the mean of its divisors is an integer number (3223479600).

Almost surely, 2^12679019701 is an apocalyptic number.

It is an amenable number.

12679019701 is a deficient number, since it is larger than the sum of its proper divisors (214898699).

12679019701 is an equidigital number, since it uses as much as digits as its factorization.

12679019701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214898698.

The product of its (nonzero) digits is 47628, while the sum is 43.

The spelling of 12679019701 in words is "twelve billion, six hundred seventy-nine million, nineteen thousand, seven hundred one".