4243212140 has 24 divisors (see below), whose sum is σ = 9218013840. Its totient is φ = 1638757568.

The previous prime is 4243212097. The next prime is 4243212161. The reversal of 4243212140 is 412123424.

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 7 ways as a sum of consecutive naturals, for example, 3657362 + ... + 3658521.

It is an arithmetic number, because the mean of its divisors is an integer number (384083910).

Almost surely, 2^4243212140 is an apocalyptic number.

It is an amenable number.

4243212140 is an abundant number, since it is smaller than the sum of its proper divisors (4974801700).

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

4243212140 is a wasteful number, since it uses less digits than its factorization.

4243212140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7315921 (or 7315919 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 4243212140 is about 65139.9427386914. The cubic root of 4243212140 is about 1618.9430869588.

Adding to 4243212140 its reverse (412123424), we get a palindrome (4655335564).

The spelling of 4243212140 in words is "four billion, two hundred forty-three million, two hundred twelve thousand, one hundred forty".