2143342012 has 24 divisors (see below), whose sum is σ = 4288019456. Its totient is φ = 918289008.

The previous prime is 2143342001. The next prime is 2143342013. The reversal of 2143342012 is 2102433412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143342013) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 97033 + ... + 117055.

Almost surely, 2^2143342012 is an apocalyptic number.

It is an amenable number.

2143342012 is an abundant number, since it is smaller than the sum of its proper divisors (2144677444).

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

2143342012 is a wasteful number, since it uses less digits than its factorization.

2143342012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23857 (or 23855 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 2143342012 is about 46296.2418777162. The cubic root of 2143342012 is about 1289.3292212042.

Adding to 2143342012 its reverse (2102433412), we get a palindrome (4245775424).

The spelling of 2143342012 in words is "two billion, one hundred forty-three million, three hundred forty-two thousand, twelve".