222220012120 has 64 divisors (see below), whose sum is σ = 505531212480. Its totient is φ = 87905181696.

The previous prime is 222220012103. The next prime is 222220012121. The reversal of 222220012120 is 21210022222.

222220012120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×222220012120² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 222220012094 and 222220012103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222220012121) by changing a digit.

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, 5283012 + ... + 5324908.

It is an arithmetic number, because the mean of its divisors is an integer number (7898925195).

Almost surely, 2^222220012120 is an apocalyptic number.

222220012120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222220012120 is an abundant number, since it is smaller than the sum of its proper divisors (283311200360).

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

222220012120 is a wasteful number, since it uses less digits than its factorization.

222220012120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43372 (or 43368 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 222220012120 its reverse (21210022222), we get a palindrome (243430034342).

The spelling of 222220012120 in words is "two hundred twenty-two billion, two hundred twenty million, twelve thousand, one hundred twenty".