1213232203233 has 6 divisors (see below), whose sum is σ = 1752446515794. Its totient is φ = 808821468816.

The previous prime is 1213232203231. The next prime is 1213232203237. The reversal of 1213232203233 is 3323022323121.

1213232203233 is a `hidden beast` number, since 1 + 2 + 13 + 2 + 322 + 0 + 323 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1199215537569 + 14016665664 = 1095087^2 + 118392^2 .

It is not a de Polignac number, because 1213232203233 - 2¹ = 1213232203231 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1213232203197 and 1213232203206.

It is not an unprimeable number, because it can be changed into a prime (1213232203231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 67401789060 + ... + 67401789077.

It is an arithmetic number, because the mean of its divisors is an integer number (292074419299).

Almost surely, 2^{1213232203233} is an apocalyptic number.

It is an amenable number.

1213232203233 is a deficient number, since it is larger than the sum of its proper divisors (539214312561).

1213232203233 is a wasteful number, since it uses less digits than its factorization.

1213232203233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134803578143 (or 134803578140 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 1213232203233 its reverse (3323022323121), we get a palindrome (4536254526354).

The spelling of 1213232203233 in words is "one trillion, two hundred thirteen billion, two hundred thirty-two million, two hundred three thousand, two hundred thirty-three".