10205812 has 12 divisors (see below), whose sum is σ = 18800320. Its totient is φ = 4834296.

The previous prime is 10205809. The next prime is 10205827. The reversal of 10205812 is 21850201.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 10205812.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67068 + ... + 67219.

Almost surely, 2^10205812 is an apocalyptic number.

It is an amenable number.

10205812 is a deficient number, since it is larger than the sum of its proper divisors (8594508).

10205812 is a wasteful number, since it uses less digits than its factorization.

10205812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134310 (or 134308 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 10205812 is about 3194.6536588494. The cubic root of 10205812 is about 216.9114718842.

The spelling of 10205812 in words is "ten million, two hundred five thousand, eight hundred twelve".