2022001021212 has 24 divisors (see below), whose sum is σ = 4718876400000. Its totient is φ = 673875480816.

The previous prime is 2022001021207. The next prime is 2022001021223. The reversal of 2022001021212 is 2121201002202.

It is a junction number, because it is equal to n+sod(n) for n = 2022001021191 and 2022001021200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15539962 + ... + 15669537.

It is an arithmetic number, because the mean of its divisors is an integer number (196619850000).

Almost surely, 2^{2022001021212} is an apocalyptic number.

It is an amenable number.

2022001021212 is an abundant number, since it is smaller than the sum of its proper divisors (2696875378788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2022001021212 is a wasteful number, since it uses less digits than its factorization.

2022001021212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31214905 (or 31214903 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2022001021212 its reverse (2121201002202), we get a palindrome (4143202023414).

The spelling of 2022001021212 in words is "two trillion, twenty-two billion, one million, twenty-one thousand, two hundred twelve".