1212112112033 has 2 divisors, whose sum is σ = 1212112112034. Its totient is φ = 1212112112032.

The previous prime is 1212112111999. The next prime is 1212112112069. The reversal of 1212112112033 is 3302112112121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1142831555089 + 69280556944 = 1069033^2 + 263212^2 .

It is a cyclic number.

It is not a de Polignac number, because 1212112112033 - 2²⁸ = 1211843676577 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1212112111996 and 1212112112014.

It is not a weakly prime, because it can be changed into another prime (1212112112933) 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 as a sum of consecutive naturals, namely, 606056056016 + 606056056017.

It is an arithmetic number, because the mean of its divisors is an integer number (606056056017).

Almost surely, 2^{1212112112033} is an apocalyptic number.

It is an amenable number.

1212112112033 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212112112033 is an equidigital number, since it uses as much as digits as its factorization.

1212112112033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 1212112112033 its reverse (3302112112121), we get a palindrome (4514224224154).

The spelling of 1212112112033 in words is "one trillion, two hundred twelve billion, one hundred twelve million, one hundred twelve thousand, thirty-three".