1202020202112 has 64 divisors (see below), whose sum is σ = 3193532002560. Its totient is φ = 400589844480.

The previous prime is 1202020202083. The next prime is 1202020202143. The reversal of 1202020202112 is 2112020202021.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 1202020202091 and 1202020202100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1531128 + ... + 2179080.

It is an arithmetic number, because the mean of its divisors is an integer number (49898937540).

Almost surely, 2^{1202020202112} is an apocalyptic number.

1202020202112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1202020202112 is an abundant number, since it is smaller than the sum of its proper divisors (1991511800448).

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

1202020202112 is an equidigital number, since it uses as much as digits as its factorization.

1202020202112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652801 (or 652789 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1202020202112 its reverse (2112020202021), we get a palindrome (3314040404133).

Subtracting 1202020202112 from its reverse (2112020202021), we obtain a palindrome (909999999909).

The spelling of 1202020202112 in words is "one trillion, two hundred two billion, twenty million, two hundred two thousand, one hundred twelve".