12020331101243 has 2 divisors, whose sum is σ = 12020331101244. Its totient is φ = 12020331101242.

The previous prime is 12020331101221. The next prime is 12020331101269. The reversal of 12020331101243 is 34210113302021.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12020331101243 is a prime.

It is a super-2 number, since 2×12020331101243² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12020331101543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010165550621 + 6010165550622.

It is an arithmetic number, because the mean of its divisors is an integer number (6010165550622).

Almost surely, 2^{12020331101243} is an apocalyptic number.

12020331101243 is a deficient number, since it is larger than the sum of its proper divisors (1).

12020331101243 is an equidigital number, since it uses as much as digits as its factorization.

12020331101243 is an odious number, because the sum of its binary digits is odd.

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

Adding to 12020331101243 its reverse (34210113302021), we get a palindrome (46230444403264).

The spelling of 12020331101243 in words is "twelve trillion, twenty billion, three hundred thirty-one million, one hundred one thousand, two hundred forty-three".