3112122220 has 48 divisors (see below), whose sum is σ = 6756472800. Its totient is φ = 1203310080.

The previous prime is 3112122193. The next prime is 3112122241. The reversal of 3112122220 is 222212113.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 3112122194 and 3112122203.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71971 + ... + 106789.

It is an arithmetic number, because the mean of its divisors is an integer number (140759850).

Almost surely, 2^3112122220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3112122220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3378236400).

3112122220 is an abundant number, since it is smaller than the sum of its proper divisors (3644350580).

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

3112122220 is a wasteful number, since it uses less digits than its factorization.

3112122220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34978 (or 34976 counting only the distinct ones).

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

The square root of 3112122220 is about 55786.3981629931. The cubic root of 3112122220 is about 1459.9978451210.

Adding to 3112122220 its reverse (222212113), we get a palindrome (3334334333).

The spelling of 3112122220 in words is "three billion, one hundred twelve million, one hundred twenty-two thousand, two hundred twenty".