1220122000012 has 12 divisors (see below), whose sum is σ = 2135281034376. Its totient is φ = 610041704480.

The previous prime is 1220122000003. The next prime is 1220122000037. The reversal of 1220122000012 is 2100002210221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1220121999956 and 1220122000001.

It is an unprimeable number.

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, 4681138 + ... + 4934905.

It is an arithmetic number, because the mean of its divisors is an integer number (177940086198).

Almost surely, 2^{1220122000012} is an apocalyptic number.

It is an amenable number.

1220122000012 is a deficient number, since it is larger than the sum of its proper divisors (915159034364).

1220122000012 is a wasteful number, since it uses less digits than its factorization.

1220122000012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9647768 (or 9647766 counting only the distinct ones).

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

Adding to 1220122000012 its reverse (2100002210221), we get a palindrome (3320124210233).

The spelling of 1220122000012 in words is "one trillion, two hundred twenty billion, one hundred twenty-two million, twelve", and thus it is an aban number.