12213110320020 has 96 divisors (see below), whose sum is σ = 38006836842240. Its totient is φ = 3255929965440.

The previous prime is 12213110319997. The next prime is 12213110320027. The reversal of 12213110320020 is 2002301131221.

12213110320020 is a `hidden beast` number, since 1 + 2 + 213 + 110 + 320 + 0 + 20 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 12213110319975 and 12213110320002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12213110320027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1164871 + ... + 5077710.

It is an arithmetic number, because the mean of its divisors is an integer number (395904550440).

Almost surely, 2^{12213110320020} is an apocalyptic number.

12213110320020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12213110320020 is an abundant number, since it is smaller than the sum of its proper divisors (25793726522220).

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

12213110320020 is a wasteful number, since it uses less digits than its factorization.

12213110320020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6246222 (or 6246214 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 12213110320020 its reverse (2002301131221), we get a palindrome (14215411451241).

The spelling of 12213110320020 in words is "twelve trillion, two hundred thirteen billion, one hundred ten million, three hundred twenty thousand, twenty".