12001212020269 has 2 divisors, whose sum is σ = 12001212020270. Its totient is φ = 12001212020268.

The previous prime is 12001212020197. The next prime is 12001212020297. The reversal of 12001212020269 is 96202021210021.

It is an a-pointer prime, because the next prime (12001212020297) can be obtained adding 12001212020269 to its sum of digits (28).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11981033817769 + 20178202500 = 3461363^2 + 142050^2 .

It is an emirp because it is prime and its reverse (96202021210021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12001212020269 - 2²¹ = 12001209923117 is a prime.

It is a super-2 number, since 2×12001212020269² (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 (12001212020969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6000606010134 + 6000606010135.

It is an arithmetic number, because the mean of its divisors is an integer number (6000606010135).

Almost surely, 2^{12001212020269} is an apocalyptic number.

It is an amenable number.

12001212020269 is a deficient number, since it is larger than the sum of its proper divisors (1).

12001212020269 is an equidigital number, since it uses as much as digits as its factorization.

12001212020269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 28.

The spelling of 12001212020269 in words is "twelve trillion, one billion, two hundred twelve million, twenty thousand, two hundred sixty-nine".