12121341043 has 12 divisors (see below), whose sum is σ = 14102208120. Its totient is φ = 10388341152.

The previous prime is 12121341041. The next prime is 12121341047. The reversal of 12121341043 is 34014312121.

It is not a de Polignac number, because 12121341043 - 2¹ = 12121341041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12121341041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 562180 + ... + 583342.

It is an arithmetic number, because the mean of its divisors is an integer number (1175184010).

Almost surely, 2^12121341043 is an apocalyptic number.

12121341043 is a deficient number, since it is larger than the sum of its proper divisors (1980867077).

12121341043 is a wasteful number, since it uses less digits than its factorization.

12121341043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32866 (or 32859 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 12121341043 its reverse (34014312121), we get a palindrome (46135653164).

The spelling of 12121341043 in words is "twelve billion, one hundred twenty-one million, three hundred forty-one thousand, forty-three".