2143144212 has 48 divisors (see below), whose sum is σ = 5488799232. Its totient is φ = 645446880.

The previous prime is 2143144193. The next prime is 2143144243. The reversal of 2143144212 is 2124413412.

It is a super-2 number, since 2×2143144212² = 9186134226858201888, which contains 22 as substring.

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 pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28288 + ... + 71319.

It is an arithmetic number, because the mean of its divisors is an integer number (114349984).

Almost surely, 2^2143144212 is an apocalyptic number.

2143144212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2143144212 is an abundant number, since it is smaller than the sum of its proper divisors (3345655020).

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

2143144212 is a wasteful number, since it uses less digits than its factorization.

2143144212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99788 (or 99786 counting only the distinct ones).

The product of its digits is 1536, while the sum is 24.

The square root of 2143144212 is about 46294.1055859167. The cubic root of 2143144212 is about 1289.2895577310.

Adding to 2143144212 its reverse (2124413412), we get a palindrome (4267557624).

The spelling of 2143144212 in words is "two billion, one hundred forty-three million, one hundred forty-four thousand, two hundred twelve".