12012311033303 has 4 divisors (see below), whose sum is σ = 13728355466640. Its totient is φ = 10296266599968.

The previous prime is 12012311033293. The next prime is 12012311033323. The reversal of 12012311033303 is 30333011321021.

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

It is a cyclic number.

It is not a de Polignac number, because 12012311033303 - 2⁴ = 12012311033287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12012311033323) 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, 858022216658 + ... + 858022216671.

It is an arithmetic number, because the mean of its divisors is an integer number (3432088866660).

Almost surely, 2^{12012311033303} is an apocalyptic number.

12012311033303 is a deficient number, since it is larger than the sum of its proper divisors (1716044433337).

12012311033303 is an equidigital number, since it uses as much as digits as its factorization.

12012311033303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1716044433336.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 12012311033303 its reverse (30333011321021), we get a palindrome (42345322354324).

The spelling of 12012311033303 in words is "twelve trillion, twelve billion, three hundred eleven million, thirty-three thousand, three hundred three".