12122020020001 has 12 divisors (see below), whose sum is σ = 12525891448512. Its totient is φ = 11730776805000.

The previous prime is 12122020019983. The next prime is 12122020020037. The reversal of 12122020020001 is 10002002022121.

It is a happy number.

It is not a de Polignac number, because 12122020020001 - 2¹⁹ = 12122019495713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12122020050001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 96028276 + ... + 96154426.

It is an arithmetic number, because the mean of its divisors is an integer number (1043824287376).

Almost surely, 2^{12122020020001} is an apocalyptic number.

It is an amenable number.

12122020020001 is a deficient number, since it is larger than the sum of its proper divisors (403871428511).

12122020020001 is an equidigital number, since it uses as much as digits as its factorization.

12122020020001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226204 (or 226173 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 12122020020001 its reverse (10002002022121), we get a palindrome (22124022042122).

The spelling of 12122020020001 in words is "twelve trillion, one hundred twenty-two billion, twenty million, twenty thousand, one".