12020212022201 has 4 divisors (see below), whose sum is σ = 12020220570000. Its totient is φ = 12020203474404.

The previous prime is 12020212022153. The next prime is 12020212022227. The reversal of 12020212022201 is 10222021202021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 12020212022201 - 2¹⁸ = 12020211760057 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12020212022201.

It is not an unprimeable number, because it can be changed into a prime (12020212022101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1611851 + ... + 5161248.

It is an arithmetic number, because the mean of its divisors is an integer number (3005055142500).

Almost surely, 2^{12020212022201} is an apocalyptic number.

It is an amenable number.

12020212022201 is a deficient number, since it is larger than the sum of its proper divisors (8547799).

12020212022201 is an equidigital number, since it uses as much as digits as its factorization.

12020212022201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8547798.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 12020212022201 its reverse (10222021202021), we get a palindrome (22242233224222).

The spelling of 12020212022201 in words is "twelve trillion, twenty billion, two hundred twelve million, twenty-two thousand, two hundred one".