12032011213 has 2 divisors, whose sum is σ = 12032011214. Its totient is φ = 12032011212.

The previous prime is 12032011169. The next prime is 12032011223. The reversal of 12032011213 is 31211023021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10179397449 + 1852613764 = 100893^2 + 43042^2 .

It is a cyclic number.

It is not a de Polignac number, because 12032011213 - 2⁹ = 12032010701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12032011223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6016005606 + 6016005607.

It is an arithmetic number, because the mean of its divisors is an integer number (6016005607).

Almost surely, 2^12032011213 is an apocalyptic number.

It is an amenable number.

12032011213 is a deficient number, since it is larger than the sum of its proper divisors (1).

12032011213 is an equidigital number, since it uses as much as digits as its factorization.

12032011213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 12032011213 its reverse (31211023021), we get a palindrome (43243034234).

The spelling of 12032011213 in words is "twelve billion, thirty-two million, eleven thousand, two hundred thirteen".