12012333391 has 2 divisors, whose sum is σ = 12012333392. Its totient is φ = 12012333390.

The previous prime is 12012333379. The next prime is 12012333401. The reversal of 12012333391 is 19333321021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12012333391 - 2¹¹ = 12012331343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12012333191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6006166695 + 6006166696.

It is an arithmetic number, because the mean of its divisors is an integer number (6006166696).

Almost surely, 2^12012333391 is an apocalyptic number.

12012333391 is a deficient number, since it is larger than the sum of its proper divisors (1).

12012333391 is an equidigital number, since it uses as much as digits as its factorization.

12012333391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 28.

The spelling of 12012333391 in words is "twelve billion, twelve million, three hundred thirty-three thousand, three hundred ninety-one".