1222012000012 has 24 divisors (see below), whose sum is σ = 2266220748960. Its totient is φ = 575548122240.

The previous prime is 1222011999997. The next prime is 1222012000021. The reversal of 1222012000012 is 2100002102221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1222011999956 and 1222012000001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128465808 + ... + 128475319.

It is an arithmetic number, because the mean of its divisors is an integer number (94425864540).

Almost surely, 2^{1222012000012} is an apocalyptic number.

It is an amenable number.

1222012000012 is a deficient number, since it is larger than the sum of its proper divisors (1044208748948).

1222012000012 is a wasteful number, since it uses less digits than its factorization.

1222012000012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256941201 (or 256941199 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1222012000012 its reverse (2100002102221), we get a palindrome (3322014102233).

The spelling of 1222012000012 in words is "one trillion, two hundred twenty-two billion, twelve million, twelve", and thus it is an aban number.