12001231212119 has 2 divisors, whose sum is σ = 12001231212120. Its totient is φ = 12001231212118.

The previous prime is 12001231212053. The next prime is 12001231212137. The reversal of 12001231212119 is 91121213210021.

It is a strong prime.

It is an emirp because it is prime and its reverse (91121213210021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12001231212119 - 2¹² = 12001231208023 is a prime.

It is a super-2 number, since 2×12001231212119² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12001231212199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6000615606059 + 6000615606060.

It is an arithmetic number, because the mean of its divisors is an integer number (6000615606060).

Almost surely, 2^{12001231212119} is an apocalyptic number.

12001231212119 is a deficient number, since it is larger than the sum of its proper divisors (1).

12001231212119 is an equidigital number, since it uses as much as digits as its factorization.

12001231212119 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 26.

The spelling of 12001231212119 in words is "twelve trillion, one billion, two hundred thirty-one million, two hundred twelve thousand, one hundred nineteen".