2021222202012 has 96 divisors (see below), whose sum is σ = 5658034421760. Its totient is φ = 620290560960.

The previous prime is 2021222202011. The next prime is 2021222202031. The reversal of 2021222202012 is 2102022221202.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021222202011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1341664 + ... + 2417127.

It is an arithmetic number, because the mean of its divisors is an integer number (58937858560).

Almost surely, 2^{2021222202012} is an apocalyptic number.

It is an amenable number.

2021222202012 is an abundant number, since it is smaller than the sum of its proper divisors (3636812219748).

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

2021222202012 is a wasteful number, since it uses less digits than its factorization.

2021222202012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3759200 (or 3759192 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 2021222202012 its reverse (2102022221202), we get a palindrome (4123244423214).

The spelling of 2021222202012 in words is "two trillion, twenty-one billion, two hundred twenty-two million, two hundred two thousand, twelve".