2144320012 has 24 divisors (see below), whose sum is σ = 3955192640. Its totient is φ = 1014411600.

The previous prime is 2144319997. The next prime is 2144320037. The reversal of 2144320012 is 2100234412.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41887 + ... + 77737.

Almost surely, 2^2144320012 is an apocalyptic number.

It is an amenable number.

2144320012 is a deficient number, since it is larger than the sum of its proper divisors (1810872628).

2144320012 is a wasteful number, since it uses less digits than its factorization.

2144320012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36661 (or 36659 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2144320012 is about 46306.8030855079. The cubic root of 2144320012 is about 1289.5252969633.

Adding to 2144320012 its reverse (2100234412), we get a palindrome (4244554424).

The spelling of 2144320012 in words is "two billion, one hundred forty-four million, three hundred twenty thousand, twelve".