1020200000012 has 48 divisors (see below), whose sum is σ = 1834657231680. Its totient is φ = 496193048832.

The previous prime is 1020200000011. The next prime is 1020200000021. The reversal of 1020200000012 is 2100000020201.

It is not an unprimeable number, because it can be changed into a prime (1020200000011) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 13735118 + ... + 13809194.

It is an arithmetic number, because the mean of its divisors is an integer number (38222025660).

Almost surely, 2^{1020200000012} is an apocalyptic number.

It is an amenable number.

1020200000012 is a deficient number, since it is larger than the sum of its proper divisors (814457231668).

1020200000012 is a wasteful number, since it uses less digits than its factorization.

1020200000012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74690 (or 74688 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

Adding to 1020200000012 its reverse (2100000020201), we get a palindrome (3120200020213).

The spelling of 1020200000012 in words is "one trillion, twenty billion, two hundred million, twelve", and thus it is an aban number.