12220100023120 has 160 divisors (see below), whose sum is σ = 31118420436480. Its totient is φ = 4425935646720.

The previous prime is 12220100023099. The next prime is 12220100023121. The reversal of 12220100023120 is 2132000102221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 12220100023094 and 12220100023103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12220100023121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 760279404 + ... + 760295476.

It is an arithmetic number, because the mean of its divisors is an integer number (194490127728).

Almost surely, 2^{12220100023120} is an apocalyptic number.

12220100023120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12220100023120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15559210218240).

12220100023120 is an abundant number, since it is smaller than the sum of its proper divisors (18898320413360).

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

12220100023120 is a wasteful number, since it uses less digits than its factorization.

12220100023120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19493 (or 19487 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12220100023120 its reverse (2132000102221), we get a palindrome (14352100125341).

The spelling of 12220100023120 in words is "twelve trillion, two hundred twenty billion, one hundred million, twenty-three thousand, one hundred twenty".