12601667101 has 4 divisors (see below), whose sum is σ = 12612616704. Its totient is φ = 12590717500.

The previous prime is 12601667093. The next prime is 12601667171. The reversal of 12601667101 is 10176610621.

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 12601667101 - 2³ = 12601667093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12601667171) 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, 5473075 + ... + 5475376.

It is an arithmetic number, because the mean of its divisors is an integer number (3153154176).

Almost surely, 2^12601667101 is an apocalyptic number.

It is an amenable number.

12601667101 is a deficient number, since it is larger than the sum of its proper divisors (10949603).

12601667101 is a wasteful number, since it uses less digits than its factorization.

12601667101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10949602.

The product of its (nonzero) digits is 3024, while the sum is 31.

The spelling of 12601667101 in words is "twelve billion, six hundred one million, six hundred sixty-seven thousand, one hundred one".