2144130012 has 144 divisors (see below), whose sum is σ = 6037973760. Its totient is φ = 638440704.

The previous prime is 2144130007. The next prime is 2144130019. The reversal of 2144130012 is 2100314412.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144130019) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1147503 + ... + 1149369.

Almost surely, 2^2144130012 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 2144130012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3018986880).

2144130012 is an abundant number, since it is smaller than the sum of its proper divisors (3893843748).

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

2144130012 is a wasteful number, since it uses less digits than its factorization.

2144130012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1992 (or 1987 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 2144130012 is about 46304.7515056500. The cubic root of 2144130012 is about 1289.4872092024.

Adding to 2144130012 its reverse (2100314412), we get a palindrome (4244444424).

The spelling of 2144130012 in words is "two billion, one hundred forty-four million, one hundred thirty thousand, twelve".