80185212 has 18 divisors (see below), whose sum is σ = 202690488. Its totient is φ = 26728392.

The previous prime is 80185211. The next prime is 80185219. The reversal of 80185212 is 21258108.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80185211) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1113648 + ... + 1113719.

Almost surely, 2^80185212 is an apocalyptic number.

It is an amenable number.

80185212 is an abundant number, since it is smaller than the sum of its proper divisors (122505276).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80185212 is a wasteful number, since it uses less digits than its factorization.

80185212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2227377 (or 2227372 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 27.

The square root of 80185212 is about 8954.6195899100. The cubic root of 80185212 is about 431.2192043542.

The spelling of 80185212 in words is "eighty million, one hundred eighty-five thousand, two hundred twelve".