80201812 has 24 divisors (see below), whose sum is σ = 148327200. Its totient is φ = 37839456.

The previous prime is 80201809. The next prime is 80201839. The reversal of 80201812 is 21810208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18483 + ... + 22405.

It is an arithmetic number, because the mean of its divisors is an integer number (6180300).

Almost surely, 2^80201812 is an apocalyptic number.

It is an amenable number.

80201812 is a deficient number, since it is larger than the sum of its proper divisors (68125388).

80201812 is a wasteful number, since it uses less digits than its factorization.

80201812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4215 (or 4213 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 22.

The square root of 80201812 is about 8955.5464378228. The cubic root of 80201812 is about 431.2489594038.

The spelling of 80201812 in words is "eighty million, two hundred one thousand, eight hundred twelve".