12213222102020 has 12 divisors (see below), whose sum is σ = 25647766414284. Its totient is φ = 4885288840800.

The previous prime is 12213222101999. The next prime is 12213222102047. The reversal of 12213222102020 is 2020122231221.

It can be written as a sum of positive squares in 2 ways, for example, as 8344321931716 + 3868900170304 = 2888654^2 + 1966952^2 .

It is a super-2 number, since 2×12213222102020² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 610661105101 = 12213222102020 / (1 + 2 + 2 + 1 + 3 + 2 + 2 + 2 + 1 + 0 + 2 + 0 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 12213222101983 and 12213222102001.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 305330552531 + ... + 305330552570.

It is an arithmetic number, because the mean of its divisors is an integer number (2137313867857).

Almost surely, 2^{12213222102020} is an apocalyptic number.

12213222102020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12213222102020 is an abundant number, since it is smaller than the sum of its proper divisors (13434544312264).

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

12213222102020 is a wasteful number, since it uses less digits than its factorization.

12213222102020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610661105110 (or 610661105108 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 12213222102020 its reverse (2020122231221), we get a palindrome (14233344333241).

The spelling of 12213222102020 in words is "twelve trillion, two hundred thirteen billion, two hundred twenty-two million, one hundred two thousand, twenty".