12122020411 has 2 divisors, whose sum is σ = 12122020412. Its totient is φ = 12122020410.

The previous prime is 12122020403. The next prime is 12122020523. The reversal of 12122020411 is 11402022121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12122020411 - 2³ = 12122020403 is a prime.

It is not a weakly prime, because it can be changed into another prime (12122023411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6061010205 + 6061010206.

It is an arithmetic number, because the mean of its divisors is an integer number (6061010206).

Almost surely, 2^12122020411 is an apocalyptic number.

12122020411 is a deficient number, since it is larger than the sum of its proper divisors (1).

12122020411 is an equidigital number, since it uses as much as digits as its factorization.

12122020411 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12122020411 its reverse (11402022121), we get a palindrome (23524042532).

The spelling of 12122020411 in words is "twelve billion, one hundred twenty-two million, twenty thousand, four hundred eleven".