1220010020012 has 12 divisors (see below), whose sum is σ = 2440020040080. Its totient is φ = 522861437136.

The previous prime is 1220010020003. The next prime is 1220010020023. The reversal of 1220010020012 is 2100200100221.

It is a happy number.

1220010020012 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1220010019975 and 1220010020002.

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, 21785893187 + ... + 21785893242.

It is an arithmetic number, because the mean of its divisors is an integer number (203335003340).

Almost surely, 2^{1220010020012} is an apocalyptic number.

It is an amenable number.

1220010020012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1220010020012 is a wasteful number, since it uses less digits than its factorization.

1220010020012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43571786440 (or 43571786438 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1220010020012 its reverse (2100200100221), we get a palindrome (3320210120233).

The spelling of 1220010020012 in words is "one trillion, two hundred twenty billion, ten million, twenty thousand, twelve".