1213112203233 has 16 divisors (see below), whose sum is σ = 1849352588160. Its totient is φ = 692906726016.

The previous prime is 1213112203231. The next prime is 1213112203241. The reversal of 1213112203233 is 3323022113121.

It is not a de Polignac number, because 1213112203233 - 2¹ = 1213112203231 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1213112203231) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 12460660 + ... + 12557637.

It is an arithmetic number, because the mean of its divisors is an integer number (115584536760).

Almost surely, 2^{1213112203233} is an apocalyptic number.

It is an amenable number.

1213112203233 is a deficient number, since it is larger than the sum of its proper divisors (636240384927).

1213112203233 is a wasteful number, since it uses less digits than its factorization.

1213112203233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25020616.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 1213112203233 its reverse (3323022113121), we get a palindrome (4536134316354).

The spelling of 1213112203233 in words is "one trillion, two hundred thirteen billion, one hundred twelve million, two hundred three thousand, two hundred thirty-three".