2412172217 has 32 divisors (see below), whose sum is σ = 3072835584. Its totient is φ = 1842004800.

The previous prime is 2412172207. The next prime is 2412172261. The reversal of 2412172217 is 7122712142.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2412172217 - 2¹⁸ = 2411910073 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2412172217.

It is not an unprimeable number, because it can be changed into a prime (2412172207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1316492 + ... + 1318322.

It is an arithmetic number, because the mean of its divisors is an integer number (96026112).

Almost surely, 2^2412172217 is an apocalyptic number.

It is an amenable number.

2412172217 is a deficient number, since it is larger than the sum of its proper divisors (660663367).

2412172217 is a wasteful number, since it uses less digits than its factorization.

2412172217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2349.

The product of its digits is 3136, while the sum is 29.

The square root of 2412172217 is about 49113.8699045392. The cubic root of 2412172217 is about 1341.1255518617.

Adding to 2412172217 its reverse (7122712142), we get a palindrome (9534884359).

The spelling of 2412172217 in words is "two billion, four hundred twelve million, one hundred seventy-two thousand, two hundred seventeen".