220000012 has 12 divisors (see below), whose sum is σ = 405263320. Its totient is φ = 104210496.

The previous prime is 219999919. The next prime is 220000013. The reversal of 220000012 is 210000022.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (220000013) 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, 1447293 + ... + 1447444.

Almost surely, 2^220000012 is an apocalyptic number.

It is an amenable number.

220000012 is a deficient number, since it is larger than the sum of its proper divisors (185263308).

220000012 is a wasteful number, since it uses less digits than its factorization.

220000012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2894760 (or 2894758 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 7.

The square root of 220000012 is about 14832.3973787112. The cubic root of 220000012 is about 603.6810846558.

Adding to 220000012 its reverse (210000022), we get a palindrome (430000034).

The spelling of 220000012 in words is "two hundred twenty million, twelve", and thus it is an aban number.