12111400030143 has 48 divisors (see below), whose sum is σ = 16940205043200. Its totient is φ = 7694956241280.

The previous prime is 12111400030129. The next prime is 12111400030241. The reversal of 12111400030143 is 34103000411121.

It is not a de Polignac number, because 12111400030143 - 2¹⁰ = 12111400029119 is a prime.

It is a super-2 number, since 2×12111400030143² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12111400030043) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 897998746 + ... + 898012232.

It is an arithmetic number, because the mean of its divisors is an integer number (352920938400).

Almost surely, 2^{12111400030143} is an apocalyptic number.

12111400030143 is a deficient number, since it is larger than the sum of its proper divisors (4828805013057).

12111400030143 is a wasteful number, since it uses less digits than its factorization.

12111400030143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18268 (or 18237 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 12111400030143 its reverse (34103000411121), we get a palindrome (46214400441264).

The spelling of 12111400030143 in words is "twelve trillion, one hundred eleven billion, four hundred million, thirty thousand, one hundred forty-three".