12101443 has 2 divisors, whose sum is σ = 12101444. Its totient is φ = 12101442.

The previous prime is 12101417. The next prime is 12101459. The reversal of 12101443 is 34410121.

12101443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (12101459) can be obtained adding 12101443 to its sum of digits (16).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12101443 is a prime.

It is not a weakly prime, because it can be changed into another prime (12101743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6050721 + 6050722.

It is an arithmetic number, because the mean of its divisors is an integer number (6050722).

Almost surely, 2^12101443 is an apocalyptic number.

12101443 is a deficient number, since it is larger than the sum of its proper divisors (1).

12101443 is an equidigital number, since it uses as much as digits as its factorization.

12101443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 12101443 is about 3478.7128366682. The cubic root of 12101443 is about 229.5861682656.

Adding to 12101443 its reverse (34410121), we get a palindrome (46511564).

It can be divided in two parts, 12101 and 443, that added together give a square (12544 = 112²).

The spelling of 12101443 in words is "twelve million, one hundred one thousand, four hundred forty-three".