12002010002100 has 54 divisors (see below), whose sum is σ = 37619633576070. Its totient is φ = 3200536000320.

The previous prime is 12002010002083. The next prime is 12002010002123. The reversal of 12002010002100 is 120001020021.

It can be written as a sum of positive squares in 3 ways, for example, as 30230081424 + 11971779920676 = 173868^2 + 3460026^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 6667782435 + ... + 6667784234.

Almost surely, 2^{12002010002100} is an apocalyptic number.

12002010002100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12002010002100 is an abundant number, since it is smaller than the sum of its proper divisors (25617623573970).

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

12002010002100 is a wasteful number, since it uses less digits than its factorization.

12002010002100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13335566689 (or 13335566679 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 12002010002100 its reverse (120001020021), we get a palindrome (12122011022121).

The spelling of 12002010002100 in words is "twelve trillion, two billion, ten million, two thousand, one hundred".