1680801212 has 12 divisors (see below), whose sum is σ = 2942068920. Its totient is φ = 840210096.

The previous prime is 1680801197. The next prime is 1680801217. The reversal of 1680801212 is 2121080861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1680801217) 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 3 ways as a sum of consecutive naturals, for example, 26762 + ... + 63857.

It is an arithmetic number, because the mean of its divisors is an integer number (245172410).

Almost surely, 2^1680801212 is an apocalyptic number.

It is an amenable number.

1680801212 is a deficient number, since it is larger than the sum of its proper divisors (1261267708).

1680801212 is a wasteful number, since it uses less digits than its factorization.

1680801212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95260 (or 95258 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 29.

The square root of 1680801212 is about 40997.5756844231. The cubic root of 1680801212 is about 1188.9733423274.

The spelling of 1680801212 in words is "one billion, six hundred eighty million, eight hundred one thousand, two hundred twelve".