12120310043 has 2 divisors, whose sum is σ = 12120310044. Its totient is φ = 12120310042.

The previous prime is 12120310031. The next prime is 12120310049. The reversal of 12120310043 is 34001302121.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12120310043 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (12120310049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6060155021 + 6060155022.

It is an arithmetic number, because the mean of its divisors is an integer number (6060155022).

Almost surely, 2^12120310043 is an apocalyptic number.

12120310043 is a deficient number, since it is larger than the sum of its proper divisors (1).

12120310043 is an equidigital number, since it uses as much as digits as its factorization.

12120310043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12120310043 its reverse (34001302121), we get a palindrome (46121612164).

The spelling of 12120310043 in words is "twelve billion, one hundred twenty million, three hundred ten thousand, forty-three".