12203121333312 has 336 divisors, whose sum is σ = 43359637659520. Its totient is φ = 3195249721344.

The previous prime is 12203121333269. The next prime is 12203121333317. The reversal of 12203121333312 is 21333312130221.

12203121333312 is a `hidden beast` number, since 1 + 2 + 2 + 0 + 3 + 12 + 1 + 333 + 312 = 666.

It is a tau number, because it is divible by the number of its divisors (336).

It is not an unprimeable number, because it can be changed into a prime (12203121333317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6448368 + ... + 8123280.

Almost surely, 2^{12203121333312} is an apocalyptic number.

12203121333312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12203121333312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21679818829760).

12203121333312 is an abundant number, since it is smaller than the sum of its proper divisors (31156516326208).

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

12203121333312 is a wasteful number, since it uses less digits than its factorization.

12203121333312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1675090 (or 1675077 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 12203121333312 its reverse (21333312130221), we get a palindrome (33536433463533).

The spelling of 12203121333312 in words is "twelve trillion, two hundred three billion, one hundred twenty-one million, three hundred thirty-three thousand, three hundred twelve".