12122732121231 has 8 divisors (see below), whose sum is σ = 16164538442800. Its totient is φ = 8081373606912.

The previous prime is 12122732121221. The next prime is 12122732121251. The reversal of 12122732121231 is 13212123722121.

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

It is not a de Polignac number, because 12122732121231 - 2¹⁰ = 12122732120207 is a prime.

It is a super-2 number, since 2×12122732121231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12122732121221) 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 7 ways as a sum of consecutive naturals, for example, 111888640 + ... + 111996933.

It is an arithmetic number, because the mean of its divisors is an integer number (2020567305350).

Almost surely, 2^{12122732121231} is an apocalyptic number.

12122732121231 is a deficient number, since it is larger than the sum of its proper divisors (4041806321569).

12122732121231 is a wasteful number, since it uses less digits than its factorization.

12122732121231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223903625.

The product of its digits is 4032, while the sum is 30.

Adding to 12122732121231 its reverse (13212123722121), we get a palindrome (25334855843352).

The spelling of 12122732121231 in words is "twelve trillion, one hundred twenty-two billion, seven hundred thirty-two million, one hundred twenty-one thousand, two hundred thirty-one".