12202121201243 has 2 divisors, whose sum is σ = 12202121201244. Its totient is φ = 12202121201242.

The previous prime is 12202121201183. The next prime is 12202121201351. The reversal of 12202121201243 is 34210212120221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12202121201243 - 2²⁰ = 12202120152667 is a prime.

It is not a weakly prime, because it can be changed into another prime (12202121261243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6101060600621 + 6101060600622.

It is an arithmetic number, because the mean of its divisors is an integer number (6101060600622).

Almost surely, 2^{12202121201243} is an apocalyptic number.

12202121201243 is a deficient number, since it is larger than the sum of its proper divisors (1).

12202121201243 is an equidigital number, since it uses as much as digits as its factorization.

12202121201243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 12202121201243 its reverse (34210212120221), we get a palindrome (46412333321464).

The spelling of 12202121201243 in words is "twelve trillion, two hundred two billion, one hundred twenty-one million, two hundred one thousand, two hundred forty-three".