22012212212020 has 12 divisors (see below), whose sum is σ = 46225645645284. Its totient is φ = 8804884884800.

The previous prime is 22012212211933. The next prime is 22012212212063. The reversal of 22012212212020 is 2021221221022.

It can be written as a sum of positive squares in 2 ways, for example, as 16710484919716 + 5301727292304 = 4087846^2 + 2302548^2 .

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 3 ways as a sum of consecutive naturals, for example, 550305305281 + ... + 550305305320.

It is an arithmetic number, because the mean of its divisors is an integer number (3852137137107).

Almost surely, 2^{22012212212020} is an apocalyptic number.

22012212212020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22012212212020 is an abundant number, since it is smaller than the sum of its proper divisors (24213433433264).

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

22012212212020 is a wasteful number, since it uses less digits than its factorization.

22012212212020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100610610610 (or 1100610610608 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 22012212212020 its reverse (2021221221022), we get a palindrome (24033433433042).

The spelling of 22012212212020 in words is "twenty-two trillion, twelve billion, two hundred twelve million, two hundred twelve thousand, twenty".