1000120020200 has 96 divisors (see below), whose sum is σ = 2797328251200. Its totient is φ = 324851005440.

The previous prime is 1000120020169. The next prime is 1000120020223. The reversal of 1000120020200 is 20200210001.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18772649 + ... + 18825848.

It is an arithmetic number, because the mean of its divisors is an integer number (29138835950).

Almost surely, 2^{1000120020200} is an apocalyptic number.

1000120020200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1000120020200 is an abundant number, since it is smaller than the sum of its proper divisors (1797208231000).

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

1000120020200 is a wasteful number, since it uses less digits than its factorization.

1000120020200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37598539 (or 37598530 counting only the distinct ones).

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

Adding to 1000120020200 its reverse (20200210001), we get a palindrome (1020320230201).

The spelling of 1000120020200 in words is "one trillion, one hundred twenty million, twenty thousand, two hundred".