12101211043 has 2 divisors, whose sum is σ = 12101211044. Its totient is φ = 12101211042.

The previous prime is 12101211011. The next prime is 12101211077. The reversal of 12101211043 is 34011210121.

12101211043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12101211043 - 2⁵ = 12101211011 is a prime.

It is not a weakly prime, because it can be changed into another prime (12101211943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6050605521 + 6050605522.

It is an arithmetic number, because the mean of its divisors is an integer number (6050605522).

Almost surely, 2^12101211043 is an apocalyptic number.

12101211043 is a deficient number, since it is larger than the sum of its proper divisors (1).

12101211043 is an equidigital number, since it uses as much as digits as its factorization.

12101211043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 12101211043 its reverse (34011210121), we get a palindrome (46112421164).

The spelling of 12101211043 in words is "twelve billion, one hundred one million, two hundred eleven thousand, forty-three".