12213212022120 has 64 divisors (see below), whose sum is σ = 36640362456000. Its totient is φ = 3256791971328.

The previous prime is 12213212022097. The next prime is 12213212022131. The reversal of 12213212022120 is 2122021231221.

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 15 ways as a sum of consecutive naturals, for example, 5229291 + ... + 7195269.

It is an arithmetic number, because the mean of its divisors is an integer number (572505663375).

Almost surely, 2^{12213212022120} is an apocalyptic number.

12213212022120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12213212022120 is an abundant number, since it is smaller than the sum of its proper divisors (24427150433880).

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

12213212022120 is a wasteful number, since it uses less digits than its factorization.

12213212022120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2017762 (or 2017758 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 12213212022120 its reverse (2122021231221), we get a palindrome (14335233253341).

The spelling of 12213212022120 in words is "twelve trillion, two hundred thirteen billion, two hundred twelve million, twenty-two thousand, one hundred twenty".