12042026543 has 2 divisors, whose sum is σ = 12042026544. Its totient is φ = 12042026542.

The previous prime is 12042026527. The next prime is 12042026561. The reversal of 12042026543 is 34562024021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12042026543 - 2⁴ = 12042026527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12042026573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6021013271 + 6021013272.

It is an arithmetic number, because the mean of its divisors is an integer number (6021013272).

Almost surely, 2^12042026543 is an apocalyptic number.

12042026543 is a deficient number, since it is larger than the sum of its proper divisors (1).

12042026543 is an equidigital number, since it uses as much as digits as its factorization.

12042026543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 29.

The spelling of 12042026543 in words is "twelve billion, forty-two million, twenty-six thousand, five hundred forty-three".