2143244412 has 36 divisors (see below), whose sum is σ = 5420174760. Its totient is φ = 714081312.

The previous prime is 2143244381. The next prime is 2143244429. The reversal of 2143244412 is 2144423412.

2143244412 is a `hidden beast` number, since 2 + 1 + 4 + 3 + 244 + 412 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71478 + ... + 96930.

It is an arithmetic number, because the mean of its divisors is an integer number (150560410).

Almost surely, 2^2143244412 is an apocalyptic number.

It is an amenable number.

2143244412 is an abundant number, since it is smaller than the sum of its proper divisors (3276930348).

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

2143244412 is a wasteful number, since it uses less digits than its factorization.

2143244412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27802 (or 27797 counting only the distinct ones).

The product of its digits is 6144, while the sum is 27.

The square root of 2143244412 is about 46295.1877844771. The cubic root of 2143244412 is about 1289.3096504526.

Adding to 2143244412 its reverse (2144423412), we get a palindrome (4287667824).

The spelling of 2143244412 in words is "two billion, one hundred forty-three million, two hundred forty-four thousand, four hundred twelve".