12312100022111 has 8 divisors (see below), whose sum is σ = 12388724515104. Its totient is φ = 12235510045440.

The previous prime is 12312100022087. The next prime is 12312100022147. The reversal of 12312100022111 is 11122000121321.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 12312100022111 - 2¹⁴ = 12312100005727 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12312100022111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12312100022011) 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 7 ways as a sum of consecutive naturals, for example, 7913270 + ... + 9340451.

It is an arithmetic number, because the mean of its divisors is an integer number (1548590564388).

Almost surely, 2^{12312100022111} is an apocalyptic number.

12312100022111 is a deficient number, since it is larger than the sum of its proper divisors (76624492993).

12312100022111 is a wasteful number, since it uses less digits than its factorization.

12312100022111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17258161.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 12312100022111 its reverse (11122000121321), we get a palindrome (23434100143432).

The spelling of 12312100022111 in words is "twelve trillion, three hundred twelve billion, one hundred million, twenty-two thousand, one hundred eleven".