2130312112 has 20 divisors (see below), whose sum is σ = 4228151256. Its totient is φ = 1039176320.

The previous prime is 2130312043. The next prime is 2130312161. The reversal of 2130312112 is 2112130312.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1623058 + ... + 1624369.

Almost surely, 2^2130312112 is an apocalyptic number.

It is an amenable number.

2130312112 is a deficient number, since it is larger than the sum of its proper divisors (2097839144).

2130312112 is a wasteful number, since it uses less digits than its factorization.

2130312112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3247476 (or 3247470 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 2130312112 is about 46155.3042672237. The cubic root of 2130312112 is about 1286.7111929729.

Adding to 2130312112 its reverse (2112130312), we get a palindrome (4242442424).

The spelling of 2130312112 in words is "two billion, one hundred thirty million, three hundred twelve thousand, one hundred twelve".