4122124220 has 12 divisors (see below), whose sum is σ = 8656460904. Its totient is φ = 1648849680.

The previous prime is 4122124183. The next prime is 4122124229. The reversal of 4122124220 is 224212214.

It is a super-2 number, since 2×4122124220² = 33983816170221216800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 206106211 = 4122124220 / (4 + 1 + 2 + 2 + 1 + 2 + 4 + 2 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 4122124192 and 4122124201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4122124229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103053086 + ... + 103053125.

It is an arithmetic number, because the mean of its divisors is an integer number (721371742).

Almost surely, 2^4122124220 is an apocalyptic number.

It is an amenable number.

4122124220 is an abundant number, since it is smaller than the sum of its proper divisors (4534336684).

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

4122124220 is a wasteful number, since it uses less digits than its factorization.

4122124220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206106220 (or 206106218 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 4122124220 is about 64203.7710730452. The cubic root of 4122124220 is about 1603.3943848979.

Adding to 4122124220 its reverse (224212214), we get a palindrome (4346336434).

The spelling of 4122124220 in words is "four billion, one hundred twenty-two million, one hundred twenty-four thousand, two hundred twenty".