1212023011343 has 2 divisors, whose sum is σ = 1212023011344. Its totient is φ = 1212023011342.

The previous prime is 1212023011291. The next prime is 1212023011363. The reversal of 1212023011343 is 3431103202121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1212023011343 - 2²⁸ = 1211754575887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1212023011363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606011505671 + 606011505672.

It is an arithmetic number, because the mean of its divisors is an integer number (606011505672).

Almost surely, 2^{1212023011343} is an apocalyptic number.

1212023011343 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212023011343 is an equidigital number, since it uses as much as digits as its factorization.

1212023011343 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 1212023011343 its reverse (3431103202121), we get a palindrome (4643126213464).

The spelling of 1212023011343 in words is "one trillion, two hundred twelve billion, twenty-three million, eleven thousand, three hundred forty-three".