12001000210100 has 72 divisors (see below), whose sum is σ = 28419083624736. Its totient is φ = 4362549520000.

The previous prime is 12001000210099. The next prime is 12001000210123. The reversal of 12001000210100 is 101200010021.

It is a congruent number.

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, 1500410 + ... + 5123790.

It is an arithmetic number, because the mean of its divisors is an integer number (394709494788).

Almost surely, 2^{12001000210100} is an apocalyptic number.

12001000210100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12001000210100 is an abundant number, since it is smaller than the sum of its proper divisors (16418083414636).

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

12001000210100 is a wasteful number, since it uses less digits than its factorization.

12001000210100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3626417 (or 3626410 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 12001000210100 its reverse (101200010021), we get a palindrome (12102200220121).

The spelling of 12001000210100 in words is "twelve trillion, one billion, two hundred ten thousand, one hundred".