12601667099 has 16 divisors (see below), whose sum is σ = 14701556736. Its totient is φ = 10578708000.

The previous prime is 12601667093. The next prime is 12601667171. The reversal of 12601667099 is 99076610621.

It is not a de Polignac number, because 12601667099 - 2²⁸ = 12333231643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12601667093) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8912 + ... + 159005.

It is an arithmetic number, because the mean of its divisors is an integer number (918847296).

Almost surely, 2^12601667099 is an apocalyptic number.

12601667099 is a deficient number, since it is larger than the sum of its proper divisors (2099889637).

12601667099 is a wasteful number, since it uses less digits than its factorization.

12601667099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168146.

The product of its (nonzero) digits is 244944, while the sum is 47.

The spelling of 12601667099 in words is "twelve billion, six hundred one million, six hundred sixty-seven thousand, ninety-nine".