12042012343 has 2 divisors, whose sum is σ = 12042012344. Its totient is φ = 12042012342.

The previous prime is 12042012331. The next prime is 12042012361. The reversal of 12042012343 is 34321024021.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12042012343 is a prime.

It is a super-2 number, since 2×12042012343² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12042012313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6021006171 + 6021006172.

It is an arithmetic number, because the mean of its divisors is an integer number (6021006172).

Almost surely, 2^12042012343 is an apocalyptic number.

12042012343 is a deficient number, since it is larger than the sum of its proper divisors (1).

12042012343 is an equidigital number, since it uses as much as digits as its factorization.

12042012343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 12042012343 its reverse (34321024021), we get a palindrome (46363036364).

The spelling of 12042012343 in words is "twelve billion, forty-two million, twelve thousand, three hundred forty-three".