12216125467 has 12 divisors (see below), whose sum is σ = 15303718416. Its totient is φ = 9665505360.

The previous prime is 12216125429. The next prime is 12216125501. The reversal of 12216125467 is 76452161221.

It is not a de Polignac number, because 12216125467 - 2¹¹ = 12216123419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12216125417) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9588159 + ... + 9589432.

It is an arithmetic number, because the mean of its divisors is an integer number (1275309868).

Almost surely, 2^12216125467 is an apocalyptic number.

12216125467 is a deficient number, since it is larger than the sum of its proper divisors (3087592949).

12216125467 is a wasteful number, since it uses less digits than its factorization.

12216125467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19177618 (or 19177611 counting only the distinct ones).

The product of its digits is 40320, while the sum is 37.

Adding to 12216125467 its reverse (76452161221), we get a palindrome (88668286688).

The spelling of 12216125467 in words is "twelve billion, two hundred sixteen million, one hundred twenty-five thousand, four hundred sixty-seven".