12000001043 has 2 divisors, whose sum is σ = 12000001044. Its totient is φ = 12000001042.

The previous prime is 12000000983. The next prime is 12000001049. The reversal of 12000001043 is 34010000021.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (34010000021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12000001043 - 2⁸ = 12000000787 is a prime.

It is not a weakly prime, because it can be changed into another prime (12000001049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6000000521 + 6000000522.

It is an arithmetic number, because the mean of its divisors is an integer number (6000000522).

Almost surely, 2^12000001043 is an apocalyptic number.

12000001043 is a deficient number, since it is larger than the sum of its proper divisors (1).

12000001043 is an equidigital number, since it uses as much as digits as its factorization.

12000001043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 12000001043 its reverse (34010000021), we get a palindrome (46010001064).

The spelling of 12000001043 in words is "twelve billion, one thousand, forty-three".