240143212 has 24 divisors (see below), whose sum is σ = 429314256. Its totient is φ = 117494208.

The previous prime is 240143201. The next prime is 240143213. The reversal of 240143212 is 212341042.

It is a self number, because there is not a number n which added to its sum of digits gives 240143212.

It is not an unprimeable number, because it can be changed into a prime (240143213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92638 + ... + 95194.

It is an arithmetic number, because the mean of its divisors is an integer number (17888094).

Almost surely, 2^240143212 is an apocalyptic number.

It is an amenable number.

240143212 is a deficient number, since it is larger than the sum of its proper divisors (189171044).

240143212 is a wasteful number, since it uses less digits than its factorization.

240143212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3057 (or 3055 counting only the distinct ones).

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

The square root of 240143212 is about 15496.5548429320. The cubic root of 240143212 is about 621.5700857739.

Adding to 240143212 its reverse (212341042), we get a palindrome (452484254).

The spelling of 240143212 in words is "two hundred forty million, one hundred forty-three thousand, two hundred twelve".