1222000012 has 12 divisors (see below), whose sum is σ = 2178849456. Its totient is φ = 599471600.

The previous prime is 1222000009. The next prime is 1222000037. The reversal of 1222000012 is 2100002221.

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, 2881864 + ... + 2882287.

It is an arithmetic number, because the mean of its divisors is an integer number (181570788).

Almost surely, 2^1222000012 is an apocalyptic number.

It is an amenable number.

1222000012 is a deficient number, since it is larger than the sum of its proper divisors (956849444).

1222000012 is a wasteful number, since it uses less digits than its factorization.

1222000012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5764208 (or 5764206 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 1222000012 is about 34957.1167575359. The cubic root of 1222000012 is about 1069.1133108972.

Adding to 1222000012 its reverse (2100002221), we get a palindrome (3322002233).

The spelling of 1222000012 in words is "one billion, two hundred twenty-two million, twelve", and thus it is an aban number.