12143404041212 has 24 divisors (see below), whose sum is σ = 21590348290560. Its totient is φ = 5974919763120.

The previous prime is 12143404041187. The next prime is 12143404041221. The reversal of 12143404041212 is 21214040434121.

It is a congruent number.

It is an unprimeable number.

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, 23072012 + ... + 23592467.

It is an arithmetic number, because the mean of its divisors is an integer number (899597845440).

Almost surely, 2^{12143404041212} is an apocalyptic number.

It is an amenable number.

12143404041212 is a deficient number, since it is larger than the sum of its proper divisors (9446944249348).

12143404041212 is a wasteful number, since it uses less digits than its factorization.

12143404041212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46665521 (or 46665519 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 29.

Adding to 12143404041212 its reverse (21214040434121), we get a palindrome (33357444475333).

The spelling of 12143404041212 in words is "twelve trillion, one hundred forty-three billion, four hundred four million, forty-one thousand, two hundred twelve".