12021010112233 has 4 divisors (see below), whose sum is σ = 12435527702340. Its totient is φ = 11606492522128.

The previous prime is 12021010112131. The next prime is 12021010112257. The reversal of 12021010112233 is 33221101012021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2833727823424 + 9187282288809 = 1683368^2 + 3031053^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12021010112233 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12021010112233.

It is not an unprimeable number, because it can be changed into a prime (12021010112263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207258795010 + ... + 207258795067.

It is an arithmetic number, because the mean of its divisors is an integer number (3108881925585).

Almost surely, 2^{12021010112233} is an apocalyptic number.

It is an amenable number.

12021010112233 is a deficient number, since it is larger than the sum of its proper divisors (414517590107).

12021010112233 is an equidigital number, since it uses as much as digits as its factorization.

12021010112233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414517590106.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 12021010112233 its reverse (33221101012021), we get a palindrome (45242111124254).

The spelling of 12021010112233 in words is "twelve trillion, twenty-one billion, ten million, one hundred twelve thousand, two hundred thirty-three".