12248013217 has 16 divisors (see below), whose sum is σ = 13711602240. Its totient is φ = 10845806400.

The previous prime is 12248013181. The next prime is 12248013221. The reversal of 12248013217 is 71231084221.

It is a de Polignac number, because none of the positive numbers 2^k-12248013217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12248013917) 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, 5467 + ... + 156607.

It is an arithmetic number, because the mean of its divisors is an integer number (856975140).

Almost surely, 2^12248013217 is an apocalyptic number.

It is an amenable number.

12248013217 is a deficient number, since it is larger than the sum of its proper divisors (1463589023).

12248013217 is a wasteful number, since it uses less digits than its factorization.

12248013217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151344.

The product of its (nonzero) digits is 5376, while the sum is 31.

Adding to 12248013217 its reverse (71231084221), we get a palindrome (83479097438).

The spelling of 12248013217 in words is "twelve billion, two hundred forty-eight million, thirteen thousand, two hundred seventeen".