222012220120 has 64 divisors (see below), whose sum is σ = 545973177600. Its totient is φ = 80884899840.

The previous prime is 222012220057. The next prime is 222012220127. The reversal of 222012220120 is 21022210222.

It is a super-2 number, since 2×222012220120² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 222012220094 and 222012220103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222012220127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5244865 + ... + 5287024.

It is an arithmetic number, because the mean of its divisors is an integer number (8530830900).

Almost surely, 2^222012220120 is an apocalyptic number.

222012220120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222012220120 is an abundant number, since it is smaller than the sum of its proper divisors (323960957480).

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

222012220120 is a wasteful number, since it uses less digits than its factorization.

222012220120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10531948 (or 10531944 counting only the distinct ones).

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

Adding to 222012220120 its reverse (21022210222), we get a palindrome (243034430342).

The spelling of 222012220120 in words is "two hundred twenty-two billion, twelve million, two hundred twenty thousand, one hundred twenty".