12220101112120 has 64 divisors (see below), whose sum is σ = 30291771903840. Its totient is φ = 4399676352000.

The previous prime is 12220101112097. The next prime is 12220101112127. The reversal of 12220101112120 is 2121110102221.

It is a junction number, because it is equal to n+sod(n) for n = 12220101112094 and 12220101112103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12220101112127) 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, 137445447 + ... + 137534326.

Almost surely, 2^{12220101112120} is an apocalyptic number.

12220101112120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12220101112120 is an abundant number, since it is smaller than the sum of its proper divisors (18071670791720).

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

12220101112120 is a wasteful number, since it uses less digits than its factorization.

12220101112120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274979896 (or 274979892 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12220101112120 its reverse (2121110102221), we get a palindrome (14341211214341).

The spelling of 12220101112120 in words is "twelve trillion, two hundred twenty billion, one hundred one million, one hundred twelve thousand, one hundred twenty".