1001212066 has 8 divisors (see below), whose sum is σ = 1553605020. Its totient is φ = 483343728.

The previous prime is 1001212019. The next prime is 1001212067. The reversal of 1001212066 is 6602121001.

1001212066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 859721041 + 141491025 = 29321^2 + 11895^2 .

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

It is a super-2 number, since 2×1001212066² = 2004851202207976712, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1001212067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8631081 + ... + 8631196.

Almost surely, 2^1001212066 is an apocalyptic number.

1001212066 is a deficient number, since it is larger than the sum of its proper divisors (552392954).

1001212066 is a wasteful number, since it uses less digits than its factorization.

1001212066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17262308.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1001212066 is about 31641.9352442293. The cubic root of 1001212066 is about 1000.4038588761.

Adding to 1001212066 its reverse (6602121001), we get a palindrome (7603333067).

The spelling of 1001212066 in words is "one billion, one million, two hundred twelve thousand, sixty-six".