12001201200100 has 72 divisors (see below), whose sum is σ = 29766323319488. Its totient is φ = 4114235203200.

The previous prime is 12001201200091. The next prime is 12001201200127. The reversal of 12001201200100 is 100210210021.

It is a Harshad number since it is a multiple of its sum of digits (10).

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, 5299939 + ... + 7217461.

Almost surely, 2^{12001201200100} is an apocalyptic number.

12001201200100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12001201200100 is an abundant number, since it is smaller than the sum of its proper divisors (17765122119388).

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

12001201200100 is a wasteful number, since it uses less digits than its factorization.

12001201200100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1926485 (or 1926478 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 12001201200100 its reverse (100210210021), we get a palindrome (12101411410121).

The spelling of 12001201200100 in words is "twelve trillion, one billion, two hundred one million, two hundred thousand, one hundred".