12012100012231 has 32 divisors (see below), whose sum is σ = 13344647270400. Its totient is φ = 10721247713280.

The previous prime is 12012100012219. The next prime is 12012100012243. The reversal of 12012100012231 is 13221000121021.

12012100012231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12012100012219) and next prime (12012100012243).

It is a cyclic number.

It is not a de Polignac number, because 12012100012231 - 2¹⁹ = 12012099487943 is a prime.

It is a super-2 number, since 2×12012100012231² (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 (12012100012291) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 410388865 + ... + 410418133.

It is an arithmetic number, because the mean of its divisors is an integer number (417020227200).

Almost surely, 2^{12012100012231} is an apocalyptic number.

12012100012231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12012100012231 is a deficient number, since it is larger than the sum of its proper divisors (1332547258169).

12012100012231 is a wasteful number, since it uses less digits than its factorization.

12012100012231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31999.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 12012100012231 its reverse (13221000121021), we get a palindrome (25233100133252).

The spelling of 12012100012231 in words is "twelve trillion, twelve billion, one hundred million, twelve thousand, two hundred thirty-one".