1222231000012 has 24 divisors (see below), whose sum is σ = 2408619451392. Its totient is φ = 537638269200.

The previous prime is 1222230999961. The next prime is 1222231000019. The reversal of 1222231000012 is 2100001322221.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1222231000012.

It is not an unprimeable number, because it can be changed into a prime (1222231000019) 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 7 ways as a sum of consecutive naturals, for example, 448030528 + ... + 448033255.

It is an arithmetic number, because the mean of its divisors is an integer number (100359143808).

Almost surely, 2^{1222231000012} is an apocalyptic number.

It is an amenable number.

1222231000012 is a deficient number, since it is larger than the sum of its proper divisors (1186388451380).

1222231000012 is a wasteful number, since it uses less digits than its factorization.

1222231000012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 896063829 (or 896063827 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 1222231000012 its reverse (2100001322221), we get a palindrome (3322232322233).

The spelling of 1222231000012 in words is "one trillion, two hundred twenty-two billion, two hundred thirty-one million, twelve", and thus it is an aban number.