2112430170 has 64 divisors (see below), whose sum is σ = 5296990464. Its totient is φ = 538137600.

The previous prime is 2112430129. The next prime is 2112430189. The reversal of 2112430170 is 710342112.

It is a super-2 number, since 2×2112430170² = 8924722446252457800, which contains 22 as substring.

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, 752770 + ... + 755570.

It is an arithmetic number, because the mean of its divisors is an integer number (82765476).

Almost surely, 2^2112430170 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2112430170, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2648495232).

2112430170 is an abundant number, since it is smaller than the sum of its proper divisors (3184560294).

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

2112430170 is a wasteful number, since it uses less digits than its factorization.

2112430170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3927.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 2112430170 is about 45961.1811205935. The cubic root of 2112430170 is about 1283.1008337266.

Adding to 2112430170 its reverse (710342112), we get a palindrome (2822772282).

The spelling of 2112430170 in words is "two billion, one hundred twelve million, four hundred thirty thousand, one hundred seventy".