80907212 has 12 divisors (see below), whose sum is σ = 142887360. Its totient is φ = 40082256.

The previous prime is 80907173. The next prime is 80907217. The reversal of 80907212 is 21270908.

It is a happy number.

It is a super-2 number, since 2×80907212² = 13091953907225888, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (80907217) 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 3 ways as a sum of consecutive naturals, for example, 92348 + ... + 93219.

It is an arithmetic number, because the mean of its divisors is an integer number (11907280).

Almost surely, 2^80907212 is an apocalyptic number.

It is an amenable number.

80907212 is a deficient number, since it is larger than the sum of its proper divisors (61980148).

80907212 is a wasteful number, since it uses less digits than its factorization.

80907212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185680 (or 185678 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 80907212 is about 8994.8436339939. The cubic root of 80907212 is about 432.5095938264.

The spelling of 80907212 in words is "eighty million, nine hundred seven thousand, two hundred twelve".