12011041213 has 2 divisors, whose sum is σ = 12011041214. Its totient is φ = 12011041212.

The previous prime is 12011041193. The next prime is 12011041247. The reversal of 12011041213 is 31214011021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11637662884 + 373378329 = 107878^2 + 19323^2 .

It is a cyclic number.

It is not a de Polignac number, because 12011041213 - 2²¹ = 12008944061 is a prime.

It is a super-2 number, since 2×12011041213² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12011048213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6005520606 + 6005520607.

It is an arithmetic number, because the mean of its divisors is an integer number (6005520607).

Almost surely, 2^12011041213 is an apocalyptic number.

It is an amenable number.

12011041213 is a deficient number, since it is larger than the sum of its proper divisors (1).

12011041213 is an equidigital number, since it uses as much as digits as its factorization.

12011041213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 12011041213 its reverse (31214011021), we get a palindrome (43225052234).

The spelling of 12011041213 in words is "twelve billion, eleven million, forty-one thousand, two hundred thirteen".