2152730112 has 120 divisors (see below), whose sum is σ = 6210845784. Its totient is φ = 662298624.

The previous prime is 2152730101. The next prime is 2152730119. The reversal of 2152730112 is 2110372512.

It is a super-2 number, since 2×2152730112² = 9268493870223065088, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2152730119) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 255438 + ... + 263730.

Almost surely, 2^2152730112 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 2152730112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3105422892).

2152730112 is an abundant number, since it is smaller than the sum of its proper divisors (4058115672).

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

2152730112 is an equidigital number, since it uses as much as digits as its factorization.

2152730112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8340 (or 8311 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 2152730112 is about 46397.5226924887. The cubic root of 2152730112 is about 1291.2089525812.

The spelling of 2152730112 in words is "two billion, one hundred fifty-two million, seven hundred thirty thousand, one hundred twelve".