200012121001100 has 36 divisors (see below), whose sum is σ = 456869792185800. Its totient is φ = 75794066904960.

The previous prime is 200012121001087. The next prime is 200012121001127. The reversal of 200012121001100 is 1100121210002.

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, 52634766785 + ... + 52634770584.

Almost surely, 2^{200012121001100} is an apocalyptic number.

200012121001100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200012121001100 is an abundant number, since it is smaller than the sum of its proper divisors (256857671184700).

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

200012121001100 is a wasteful number, since it uses less digits than its factorization.

200012121001100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105269537402 (or 105269537395 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 200012121001100 its reverse (1100121210002), we get a palindrome (201112242211102).

The spelling of 200012121001100 in words is "two hundred trillion, twelve billion, one hundred twenty-one million, one thousand, one hundred".