12211213200100 has 36 divisors (see below), whose sum is σ = 26741436637300. Its totient is φ = 4839673484160.

The previous prime is 12211213200097. The next prime is 12211213200143. The reversal of 12211213200100 is 100231211221.

It can be written as a sum of positive squares in 6 ways, for example, as 369851287716 + 11841361912384 = 608154^2 + 3441128^2 .

It is a super-2 number, since 2×12211213200100² (a number of 27 digits) contains 22 as substring.

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, 560136495 + ... + 560158294.

Almost surely, 2^{12211213200100} is an apocalyptic number.

12211213200100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12211213200100 is an abundant number, since it is smaller than the sum of its proper divisors (14530223437200).

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

12211213200100 is a wasteful number, since it uses less digits than its factorization.

12211213200100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1120294912 (or 1120294905 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 12211213200100 its reverse (100231211221), we get a palindrome (12311444411321).

The spelling of 12211213200100 in words is "twelve trillion, two hundred eleven billion, two hundred thirteen million, two hundred thousand, one hundred".