120222122220 has 144 divisors (see below), whose sum is σ = 367300376352. Its totient is φ = 31828930560.

The previous prime is 120222122213. The next prime is 120222122221. The reversal of 120222122220 is 22221222021.

120222122220 is a `hidden beast` number, since 1 + 202 + 221 + 22 + 220 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 120222122193 and 120222122202.

It is not an unprimeable number, because it can be changed into a prime (120222122221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21923599 + ... + 21929081.

It is an arithmetic number, because the mean of its divisors is an integer number (2550697058).

Almost surely, 2^120222122220 is an apocalyptic number.

120222122220 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 120222122220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183650188176).

120222122220 is an abundant number, since it is smaller than the sum of its proper divisors (247078254132).

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

120222122220 is a wasteful number, since it uses less digits than its factorization.

120222122220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6352 (or 6347 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 120222122220 its reverse (22221222021), we get a palindrome (142443344241).

The spelling of 120222122220 in words is "one hundred twenty billion, two hundred twenty-two million, one hundred twenty-two thousand, two hundred twenty".