1020020020012 has 12 divisors (see below), whose sum is σ = 2040040040080. Its totient is φ = 437151437136.

The previous prime is 1020020019947. The next prime is 1020020020021. The reversal of 1020020020012 is 2100200200201.

1020020020012 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18214643187 + ... + 18214643242.

Almost surely, 2^{1020020020012} is an apocalyptic number.

It is an amenable number.

1020020020012 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.

1020020020012 is a wasteful number, since it uses less digits than its factorization.

1020020020012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36429286440 (or 36429286438 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 1020020020012 its reverse (2100200200201), we get a palindrome (3120220220213).

The spelling of 1020020020012 in words is "one trillion, twenty billion, twenty million, twenty thousand, twelve".