12222042415220 has 48 divisors (see below), whose sum is σ = 28650741311808. Its totient is φ = 4341021404160.

The previous prime is 12222042415217. The next prime is 12222042415223. The reversal of 12222042415220 is 2251424022221.

It is an interprime number because it is at equal distance from previous prime (12222042415217) and next prime (12222042415223).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12222042415223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 645975869 + ... + 645994788.

It is an arithmetic number, because the mean of its divisors is an integer number (596890443996).

Almost surely, 2^{12222042415220} is an apocalyptic number.

12222042415220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12222042415220 is an abundant number, since it is smaller than the sum of its proper divisors (16428698896588).

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

12222042415220 is a wasteful number, since it uses less digits than its factorization.

12222042415220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1291970720 (or 1291970718 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 29.

Adding to 12222042415220 its reverse (2251424022221), we get a palindrome (14473466437441).

The spelling of 12222042415220 in words is "twelve trillion, two hundred twenty-two billion, forty-two million, four hundred fifteen thousand, two hundred twenty".