80707212 has 96 divisors (see below), whose sum is σ = 226419200. Its totient is φ = 24774336.

The previous prime is 80707171. The next prime is 80707219. The reversal of 80707212 is 21270708.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (80707219) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75393 + ... + 76455.

Almost surely, 2^80707212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80707212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113209600).

80707212 is an abundant number, since it is smaller than the sum of its proper divisors (145711988).

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

80707212 is a wasteful number, since it uses less digits than its factorization.

80707212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1132 (or 1124 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 27.

The square root of 80707212 is about 8983.7192743318. The cubic root of 80707212 is about 432.1529165442.

The spelling of 80707212 in words is "eighty million, seven hundred seven thousand, two hundred twelve".