1020011220012 has 24 divisors (see below), whose sum is σ = 2384209018800. Its totient is φ = 339406191616.

The previous prime is 1020011219963. The next prime is 1020011220023. The reversal of 1020011220012 is 2100221100201.

1020011220012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 1020011220012.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74686437 + ... + 74700092.

It is an arithmetic number, because the mean of its divisors is an integer number (99342042450).

Almost surely, 2^{1020011220012} is an apocalyptic number.

1020011220012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1020011220012 is an abundant number, since it is smaller than the sum of its proper divisors (1364197798788).

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

1020011220012 is a wasteful number, since it uses less digits than its factorization.

1020011220012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149387105 (or 149387103 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1020011220012 its reverse (2100221100201), we get a palindrome (3120232320213).

The spelling of 1020011220012 in words is "one trillion, twenty billion, eleven million, two hundred twenty thousand, twelve".