12001000102200 has 144 divisors (see below), whose sum is σ = 40364521025400. Its totient is φ = 3195410131200.

The previous prime is 12001000102171. The next prime is 12001000102241. The reversal of 12001000102200 is 220100010021.

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 35 ways as a sum of consecutive naturals, for example, 3872391 + ... + 6244790.

Almost surely, 2^{12001000102200} is an apocalyptic number.

12001000102200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12001000102200 is an abundant number, since it is smaller than the sum of its proper divisors (28363520923200).

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

12001000102200 is a wasteful number, since it uses less digits than its factorization.

12001000102200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10117862 (or 10117850 counting only the distinct ones).

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

Adding to 12001000102200 its reverse (220100010021), we get a palindrome (12221100112221).

The spelling of 12001000102200 in words is "twelve trillion, one billion, one hundred two thousand, two hundred".