20212122001201 has 8 divisors (see below), whose sum is σ = 21766986489920. Its totient is φ = 18657269780112.

The previous prime is 20212122001157. The next prime is 20212122001223. The reversal of 20212122001201 is 10210022121202.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20212122001201 - 2¹³ = 20212121993009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20212122001601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 509506 + ... + 6378388.

It is an arithmetic number, because the mean of its divisors is an integer number (2720873311240).

Almost surely, 2^{20212122001201} is an apocalyptic number.

It is an amenable number.

20212122001201 is a deficient number, since it is larger than the sum of its proper divisors (1554864488719).

20212122001201 is a wasteful number, since it uses less digits than its factorization.

20212122001201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6133815.

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

Adding to 20212122001201 its reverse (10210022121202), we get a palindrome (30422144122403).

The spelling of 20212122001201 in words is "twenty trillion, two hundred twelve billion, one hundred twenty-two million, one thousand, two hundred one".