12101103242143 has 16 divisors (see below), whose sum is σ = 12993758938944. Its totient is φ = 11228548280320.

The previous prime is 12101103242117. The next prime is 12101103242153. The reversal of 12101103242143 is 34124230110121.

It is a cyclic number.

It is not a de Polignac number, because 12101103242143 - 2²¹ = 12101101144991 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 (12101103242153) 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 15 ways as a sum of consecutive naturals, for example, 50885571 + ... + 51122827.

It is an arithmetic number, because the mean of its divisors is an integer number (812109933684).

Almost surely, 2^{12101103242143} is an apocalyptic number.

12101103242143 is a deficient number, since it is larger than the sum of its proper divisors (892655696801).

12101103242143 is a wasteful number, since it uses less digits than its factorization.

12101103242143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279602.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 12101103242143 its reverse (34124230110121), we get a palindrome (46225333352264).

The spelling of 12101103242143 in words is "twelve trillion, one hundred one billion, one hundred three million, two hundred forty-two thousand, one hundred forty-three".