2152142112 has 24 divisors (see below), whose sum is σ = 5649373296. Its totient is φ = 717380672.

The previous prime is 2152142099. The next prime is 2152142119. The reversal of 2152142112 is 2112412512.

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (2152142119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11208978 + ... + 11209169.

It is an arithmetic number, because the mean of its divisors is an integer number (235390554).

Almost surely, 2^2152142112 is an apocalyptic number.

It is an amenable number.

2152142112 is an abundant number, since it is smaller than the sum of its proper divisors (3497231184).

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

2152142112 is a wasteful number, since it uses less digits than its factorization.

2152142112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22418160 (or 22418152 counting only the distinct ones).

The product of its digits is 320, while the sum is 21.

The square root of 2152142112 is about 46391.1857145299. The cubic root of 2152142112 is about 1291.0913809457.

Adding to 2152142112 its reverse (2112412512), we get a palindrome (4264554624).

The spelling of 2152142112 in words is "two billion, one hundred fifty-two million, one hundred forty-two thousand, one hundred twelve".