1012066205 has 8 divisors (see below), whose sum is σ = 1217187000. Its totient is φ = 807847936.

The previous prime is 1012066201. The next prime is 1012066229. The reversal of 1012066205 is 5026602101.

It can be written as a sum of positive squares in 4 ways, for example, as 202151524 + 809914681 = 14218^2 + 28459^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1012066205 - 2² = 1012066201 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012066201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223160 + ... + 227649.

It is an arithmetic number, because the mean of its divisors is an integer number (152148375).

Almost surely, 2^1012066205 is an apocalyptic number.

It is an amenable number.

1012066205 is a deficient number, since it is larger than the sum of its proper divisors (205120795).

1012066205 is an equidigital number, since it uses as much as digits as its factorization.

1012066205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451263.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 1012066205 is about 31812.9879923279. The cubic root of 1012066205 is about 1004.0059988769.

Adding to 1012066205 its reverse (5026602101), we get a palindrome (6038668306).

The spelling of 1012066205 in words is "one billion, twelve million, sixty-six thousand, two hundred five".