3112203120 has 160 divisors (see below), whose sum is σ = 10416000000. Its totient is φ = 764163072.

The previous prime is 3112203079. The next prime is 3112203151. The reversal of 3112203120 is 213022113.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 3112203120.

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, 1555881 + ... + 1557879.

It is an arithmetic number, because the mean of its divisors is an integer number (65100000).

Almost surely, 2^3112203120 is an apocalyptic number.

3112203120 is a gapful number since it is divisible by the number (30) 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 3112203120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5208000000).

3112203120 is an abundant number, since it is smaller than the sum of its proper divisors (7303796880).

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

3112203120 is a wasteful number, since it uses less digits than its factorization.

3112203120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2527 (or 2521 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 3112203120 is about 55787.1232454229. The cubic root of 3112203120 is about 1460.0104959526.

Adding to 3112203120 its reverse (213022113), we get a palindrome (3325225233).

The spelling of 3112203120 in words is "three billion, one hundred twelve million, two hundred three thousand, one hundred twenty".