12172433001 has 24 divisors (see below), whose sum is σ = 16903392480. Its totient is φ = 7791068544.

The previous prime is 12172432997. The next prime is 12172433071. The reversal of 12172433001 is 10033427121.

It is a happy number.

It is not a de Polignac number, because 12172433001 - 2² = 12172432997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12172433071) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 438141 + ... + 465093.

It is an arithmetic number, because the mean of its divisors is an integer number (704308020).

Almost surely, 2^12172433001 is an apocalyptic number.

It is an amenable number.

12172433001 is a deficient number, since it is larger than the sum of its proper divisors (4730959479).

12172433001 is a wasteful number, since it uses less digits than its factorization.

12172433001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27193 (or 27164 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The spelling of 12172433001 in words is "twelve billion, one hundred seventy-two million, four hundred thirty-three thousand, one".