240105212 has 12 divisors (see below), whose sum is σ = 444900960. Its totient is φ = 112990656.

The previous prime is 240105209. The next prime is 240105277. The reversal of 240105212 is 212501042.

It is a Harshad number since it is a multiple of its sum of digits (17).

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 3 ways as a sum of consecutive naturals, for example, 1765412 + ... + 1765547.

It is an arithmetic number, because the mean of its divisors is an integer number (37075080).

Almost surely, 2^240105212 is an apocalyptic number.

It is an amenable number.

240105212 is a deficient number, since it is larger than the sum of its proper divisors (204795748).

240105212 is a wasteful number, since it uses less digits than its factorization.

240105212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3530980 (or 3530978 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 240105212 is about 15495.3287154549. The cubic root of 240105212 is about 621.5372985203.

Adding to 240105212 its reverse (212501042), we get a palindrome (452606254).

The spelling of 240105212 in words is "two hundred forty million, one hundred five thousand, two hundred twelve".