1002011202112 has 28 divisors (see below), whose sum is σ = 1988749238140. Its totient is φ = 500909031936.

The previous prime is 1002011202103. The next prime is 1002011202131. The reversal of 1002011202112 is 2112021102001.

It can be written as a sum of positive squares in 2 ways, for example, as 416210780736 + 585800421376 = 645144^2 + 765376^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1002011202092 and 1002011202101.

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, 1173687 + ... + 1838902.

It is an arithmetic number, because the mean of its divisors is an integer number (71026758505).

Almost surely, 2^{1002011202112} is an apocalyptic number.

It is an amenable number.

1002011202112 is a deficient number, since it is larger than the sum of its proper divisors (986738036028).

1002011202112 is an equidigital number, since it uses as much as digits as its factorization.

1002011202112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3017798 (or 3017788 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1002011202112 its reverse (2112021102001), we get a palindrome (3114032304113).

The spelling of 1002011202112 in words is "one trillion, two billion, eleven million, two hundred two thousand, one hundred twelve".