12011320033313 has 4 divisors (see below), whose sum is σ = 12013373607300. Its totient is φ = 12009266459328.

The previous prime is 12011320033309. The next prime is 12011320033337. The reversal of 12011320033313 is 31333002311021.

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 7778705075089 + 4232614958224 = 2789033^2 + 2057332^2 .

It is a cyclic number.

It is not a de Polignac number, because 12011320033313 - 2² = 12011320033309 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12011320033513) 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, 1026778220 + ... + 1026789917.

It is an arithmetic number, because the mean of its divisors is an integer number (3003343401825).

Almost surely, 2^{12011320033313} is an apocalyptic number.

It is an amenable number.

12011320033313 is a deficient number, since it is larger than the sum of its proper divisors (2053573987).

12011320033313 is an equidigital number, since it uses as much as digits as its factorization.

12011320033313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2053573986.

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

Adding to 12011320033313 its reverse (31333002311021), we get a palindrome (43344322344334).

The spelling of 12011320033313 in words is "twelve trillion, eleven billion, three hundred twenty million, thirty-three thousand, three hundred thirteen".