1212094264369 has 2 divisors, whose sum is σ = 1212094264370. Its totient is φ = 1212094264368.

The previous prime is 1212094264343. The next prime is 1212094264417. The reversal of 1212094264369 is 9634624902121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 779803794225 + 432290470144 = 883065^2 + 657488^2 .

It is a cyclic number.

It is not a de Polignac number, because 1212094264369 - 2¹⁷ = 1212094133297 is a prime.

It is a super-2 number, since 2×1212094264369² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1212094264769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606047132184 + 606047132185.

It is an arithmetic number, because the mean of its divisors is an integer number (606047132185).

Almost surely, 2^{1212094264369} is an apocalyptic number.

It is an amenable number.

1212094264369 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212094264369 is an equidigital number, since it uses as much as digits as its factorization.

1212094264369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1119744, while the sum is 49.

The spelling of 1212094264369 in words is "one trillion, two hundred twelve billion, ninety-four million, two hundred sixty-four thousand, three hundred sixty-nine".