1000200200120 has 32 divisors (see below), whose sum is σ = 2455036855920. Its totient is φ = 363709163520.

The previous prime is 1000200200099. The next prime is 1000200200159. The reversal of 1000200200120 is 210020020001.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a junction number, because it is equal to n+sod(n) for n = 1000200200098 and 1000200200107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1136590697 + ... + 1136591576.

Almost surely, 2^{1000200200120} is an apocalyptic number.

1000200200120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1000200200120 is an abundant number, since it is smaller than the sum of its proper divisors (1454836655800).

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

1000200200120 is a wasteful number, since it uses less digits than its factorization.

1000200200120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2273182295 (or 2273182291 counting only the distinct ones).

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

Adding to 1000200200120 its reverse (210020020001), we get a palindrome (1210220220121).

The spelling of 1000200200120 in words is "one trillion, two hundred million, two hundred thousand, one hundred twenty".