12312011030101 has 4 divisors (see below), whose sum is σ = 12312052934272. Its totient is φ = 12311969125932.

The previous prime is 12312011030083. The next prime is 12312011030141. The reversal of 12312011030101 is 10103011021321.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12312011030101 - 2¹⁹ = 12312010505813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12312011030141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20508231 + ... + 21100036.

It is an arithmetic number, because the mean of its divisors is an integer number (3078013233568).

Almost surely, 2^{12312011030101} is an apocalyptic number.

It is an amenable number.

12312011030101 is a deficient number, since it is larger than the sum of its proper divisors (41904171).

12312011030101 is an equidigital number, since it uses as much as digits as its factorization.

12312011030101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41904170.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 12312011030101 its reverse (10103011021321), we get a palindrome (22415022051422).

The spelling of 12312011030101 in words is "twelve trillion, three hundred twelve billion, eleven million, thirty thousand, one hundred one".