1000112020200 has 144 divisors (see below), whose sum is σ = 3449485697580. Its totient is φ = 259488506880.

The previous prime is 1000112020157. The next prime is 1000112020207. The reversal of 1000112020200 is 20202110001.

It can be written as a sum of positive squares in 6 ways, for example, as 371107582596 + 629004437604 = 609186^2 + 793098^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (1000112020207) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 7441749 + ... + 7574948.

Almost surely, 2^{1000112020200} is an apocalyptic number.

1000112020200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1000112020200 is an abundant number, since it is smaller than the sum of its proper divisors (2449373677380).

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

1000112020200 is a wasteful number, since it uses less digits than its factorization.

1000112020200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15016756 (or 15016744 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 1000112020200 its reverse (20202110001), we get a palindrome (1020314130201).

The spelling of 1000112020200 in words is "one trillion, one hundred twelve million, twenty thousand, two hundred".