12103211003200 has 42 divisors (see below), whose sum is σ = 29781463578686. Its totient is φ = 4841284400640.

The previous prime is 12103211003179. The next prime is 12103211003243. The reversal of 12103211003200 is 230011230121.

It can be written as a sum of positive squares in 3 ways, for example, as 429727447296 + 11673483555904 = 655536^2 + 3416648^2 .

It is a super-4 number, since 4×12103211003200⁴ (a number of 53 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3782251839 + ... + 3782255038.

Almost surely, 2^{12103211003200} is an apocalyptic number.

12103211003200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12103211003200 is an abundant number, since it is smaller than the sum of its proper divisors (17678252575486).

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

12103211003200 is an equidigital number, since it uses as much as digits as its factorization.

12103211003200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7564506899 (or 7564506884 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 12103211003200 its reverse (230011230121), we get a palindrome (12333222233321).

The spelling of 12103211003200 in words is "twelve trillion, one hundred three billion, two hundred eleven million, three thousand, two hundred".