12122323532511 has 8 divisors (see below), whose sum is σ = 16163115047424. Its totient is φ = 8081540519640.

The previous prime is 12122323532477. The next prime is 12122323532531. The reversal of 12122323532511 is 11523532322121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12122323532511 - 2³¹ = 12120176048863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12122323532531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2896456 + ... + 5712626.

It is an arithmetic number, because the mean of its divisors is an integer number (2020389380928).

Almost surely, 2^{12122323532511} is an apocalyptic number.

12122323532511 is a deficient number, since it is larger than the sum of its proper divisors (4040791514913).

12122323532511 is a wasteful number, since it uses less digits than its factorization.

12122323532511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4251021.

The product of its digits is 21600, while the sum is 33.

Adding to 12122323532511 its reverse (11523532322121), we get a palindrome (23645855854632).

The spelling of 12122323532511 in words is "twelve trillion, one hundred twenty-two billion, three hundred twenty-three million, five hundred thirty-two thousand, five hundred eleven".