1012217318 has 8 divisors (see below), whose sum is σ = 1735229712. Its totient is φ = 433807416.

The previous prime is 1012217317. The next prime is 1012217329. The reversal of 1012217318 is 8137122101.

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

It is a super-2 number, since 2×1012217318² = 2049167797718226248, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012217317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36150605 + ... + 36150632.

It is an arithmetic number, because the mean of its divisors is an integer number (216903714).

Almost surely, 2^1012217318 is an apocalyptic number.

1012217318 is a deficient number, since it is larger than the sum of its proper divisors (723012394).

1012217318 is an equidigital number, since it uses as much as digits as its factorization.

1012217318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72301246.

The product of its (nonzero) digits is 672, while the sum is 26.

The square root of 1012217318 is about 31815.3629242226. The cubic root of 1012217318 is about 1004.0559662299.

Adding to 1012217318 its reverse (8137122101), we get a palindrome (9149339419).

The spelling of 1012217318 in words is "one billion, twelve million, two hundred seventeen thousand, three hundred eighteen".