12022200120 has 128 divisors (see below), whose sum is σ = 41534000640. Its totient is φ = 2726929920.

The previous prime is 12022200101. The next prime is 12022200137. The reversal of 12022200120 is 2100222021.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 12022200096 and 12022200105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55414 + ... + 164666.

It is an arithmetic number, because the mean of its divisors is an integer number (324484380).

Almost surely, 2^12022200120 is an apocalyptic number.

12022200120 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 12022200120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20767000320).

12022200120 is an abundant number, since it is smaller than the sum of its proper divisors (29511800520).

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

12022200120 is a wasteful number, since it uses less digits than its factorization.

12022200120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109405 (or 109401 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 12022200120 its reverse (2100222021), we get a palindrome (14122422141).

It can be divided in two parts, 120222001 and 20, that added together give a palindrome (120222021).

The spelling of 12022200120 in words is "twelve billion, twenty-two million, two hundred thousand, one hundred twenty".