1212223411233 has 16 divisors (see below), whose sum is σ = 1798419548800. Its totient is φ = 807009084720.

The previous prime is 1212223411229. The next prime is 1212223411237. The reversal of 1212223411233 is 3321143222121.

1212223411233 is a `hidden beast` number, since 1 + 2 + 1 + 2 + 223 + 411 + 23 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (1212223411229) and next prime (1212223411237).

It is not a de Polignac number, because 1212223411233 - 2² = 1212223411229 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1212223411197 and 1212223411206.

It is not an unprimeable number, because it can be changed into a prime (1212223411237) 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 15 ways as a sum of consecutive naturals, for example, 31643173 + ... + 31681458.

It is an arithmetic number, because the mean of its divisors is an integer number (112401221800).

Almost surely, 2^{1212223411233} is an apocalyptic number.

It is an amenable number.

1212223411233 is a deficient number, since it is larger than the sum of its proper divisors (586196137567).

1212223411233 is an equidigital number, since it uses as much as digits as its factorization.

1212223411233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63325349 (or 63325343 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

Adding to 1212223411233 its reverse (3321143222121), we get a palindrome (4533366633354).

The spelling of 1212223411233 in words is "one trillion, two hundred twelve billion, two hundred twenty-three million, four hundred eleven thousand, two hundred thirty-three".