12000202100 has 18 divisors (see below), whose sum is σ = 26040438774. Its totient is φ = 4800080800.

The previous prime is 12000202099. The next prime is 12000202121. The reversal of 12000202100 is 120200021.

It can be written as a sum of positive squares in 3 ways, for example, as 1470569104 + 10529632996 = 38348^2 + 102614^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 60000911 + ... + 60001110.

It is an arithmetic number, because the mean of its divisors is an integer number (1446691043).

Almost surely, 2^12000202100 is an apocalyptic number.

12000202100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12000202100 is an abundant number, since it is smaller than the sum of its proper divisors (14040236674).

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

12000202100 is a wasteful number, since it uses less digits than its factorization.

12000202100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120002035 (or 120002028 counting only the distinct ones).

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

Adding to 12000202100 its reverse (120200021), we get a palindrome (12120402121).

The spelling of 12000202100 in words is "twelve billion, two hundred two thousand, one hundred".