660202012 has 12 divisors (see below), whose sum is σ = 1155874720. Its totient is φ = 329952096.

The previous prime is 660201979. The next prime is 660202019. The reversal of 660202012 is 210202066.

660202012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (660202019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26937 + ... + 45232.

Almost surely, 2^660202012 is an apocalyptic number.

It is an amenable number.

660202012 is a deficient number, since it is larger than the sum of its proper divisors (495672708).

660202012 is a wasteful number, since it uses less digits than its factorization.

660202012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74460 (or 74458 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 660202012 is about 25694.3965097451. The cubic root of 660202012 is about 870.7475901161.

Adding to 660202012 its reverse (210202066), we get a palindrome (870404078).

The spelling of 660202012 in words is "six hundred sixty million, two hundred two thousand, twelve".