12212022020 has 48 divisors (see below), whose sum is σ = 27986103936. Its totient is φ = 4439232000.

The previous prime is 12212022001. The next prime is 12212022037. The reversal of 12212022020 is 2022021221.

12212022020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12212021986 and 12212022004.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 800060 + ... + 815180.

It is an arithmetic number, because the mean of its divisors is an integer number (583043832).

Almost surely, 2^12212022020 is an apocalyptic number.

12212022020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12212022020 is an abundant number, since it is smaller than the sum of its proper divisors (15774081916).

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

12212022020 is a wasteful number, since it uses less digits than its factorization.

12212022020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18812 (or 18810 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 12212022020 its reverse (2022021221), we get a palindrome (14234043241).

The spelling of 12212022020 in words is "twelve billion, two hundred twelve million, twenty-two thousand, twenty".