12001121302343 has 2 divisors, whose sum is σ = 12001121302344. Its totient is φ = 12001121302342.

The previous prime is 12001121302319. The next prime is 12001121302367. The reversal of 12001121302343 is 34320312110021.

It is a balanced prime because it is at equal distance from previous prime (12001121302319) and next prime (12001121302367).

It is a cyclic number.

It is not a de Polignac number, because 12001121302343 - 2⁶ = 12001121302279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12001121304343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6000560651171 + 6000560651172.

It is an arithmetic number, because the mean of its divisors is an integer number (6000560651172).

Almost surely, 2^{12001121302343} is an apocalyptic number.

12001121302343 is a deficient number, since it is larger than the sum of its proper divisors (1).

12001121302343 is an equidigital number, since it uses as much as digits as its factorization.

12001121302343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 12001121302343 its reverse (34320312110021), we get a palindrome (46321433412364).

The spelling of 12001121302343 in words is "twelve trillion, one billion, one hundred twenty-one million, three hundred two thousand, three hundred forty-three".