1213333212300 has 576 divisors, whose sum is σ = 4164933427200. Its totient is φ = 269428838400.

The previous prime is 1213333212257. The next prime is 1213333212319. The reversal of 1213333212300 is 32123333121.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 340917921 + ... + 340921479.

It is an arithmetic number, because the mean of its divisors is an integer number (7230787200).

Almost surely, 2^{1213333212300} is an apocalyptic number.

1213333212300 is a gapful number since it is divisible by the number (10) 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 1213333212300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2082466713600).

1213333212300 is an abundant number, since it is smaller than the sum of its proper divisors (2951600214900).

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

1213333212300 is a wasteful number, since it uses less digits than its factorization.

1213333212300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3766 (or 3759 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 1213333212300 its reverse (32123333121), we get a palindrome (1245456545421).

The spelling of 1213333212300 in words is "one trillion, two hundred thirteen billion, three hundred thirty-three million, two hundred twelve thousand, three hundred".