12120122002220 has 12 divisors (see below), whose sum is σ = 25452256204704. Its totient is φ = 4848048800880.

The previous prime is 12120122002193. The next prime is 12120122002279. The reversal of 12120122002220 is 2220022102121.

It is a happy number.

It is a super-3 number, since 3×12120122002220³ (a number of 40 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 303003050036 + ... + 303003050075.

It is an arithmetic number, because the mean of its divisors is an integer number (2121021350392).

Almost surely, 2^{12120122002220} is an apocalyptic number.

12120122002220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12120122002220 is an abundant number, since it is smaller than the sum of its proper divisors (13332134202484).

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

12120122002220 is a wasteful number, since it uses less digits than its factorization.

12120122002220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606006100120 (or 606006100118 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 12120122002220 its reverse (2220022102121), we get a palindrome (14340144104341).

Subtracting from 12120122002220 its reverse (2220022102121), we obtain a palindrome (9900099900099).

The spelling of 12120122002220 in words is "twelve trillion, one hundred twenty billion, one hundred twenty-two million, two thousand, two hundred twenty".