212020020222001 has 8 divisors (see below), whose sum is σ = 219331732657320. Its totient is φ = 204708352937088.

The previous prime is 212020020221969. The next prime is 212020020222019. The reversal of 212020020222001 is 100222020020212.

It can be written as a sum of positive squares in 4 ways, for example, as 94934311243776 + 117085708978225 = 9743424^2 + 10820615^2 .

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 212020020222001 - 2⁵ = 212020020221969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212020020232001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1592796 + ... + 20653741.

It is an arithmetic number, because the mean of its divisors is an integer number (27416466582165).

Almost surely, 2^{212020020222001} is an apocalyptic number.

It is an amenable number.

212020020222001 is a deficient number, since it is larger than the sum of its proper divisors (7311712435319).

212020020222001 is a wasteful number, since it uses less digits than its factorization.

212020020222001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22575203.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 212020020222001 its reverse (100222020020212), we get a palindrome (312242040242213).

The spelling of 212020020222001 in words is "two hundred twelve trillion, twenty billion, twenty million, two hundred twenty-two thousand, one".