100020000120200 has 48 divisors (see below), whose sum is σ = 242657217694080. Its totient is φ = 38268521783360.

The previous prime is 100020000120197. The next prime is 100020000120283. The reversal of 100020000120200 is 2021000020001.

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 11 ways as a sum of consecutive naturals, for example, 10871734544 + ... + 10871743743.

It is an arithmetic number, because the mean of its divisors is an integer number (5055358701960).

Almost surely, 2^{100020000120200} is an apocalyptic number.

100020000120200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100020000120200 is an abundant number, since it is smaller than the sum of its proper divisors (142637217573880).

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

100020000120200 is a wasteful number, since it uses less digits than its factorization.

100020000120200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21743478326 (or 21743478317 counting only the distinct ones).

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

Adding to 100020000120200 its reverse (2021000020001), we get a palindrome (102041000140201).

The spelling of 100020000120200 in words is "one hundred trillion, twenty billion, one hundred twenty thousand, two hundred".