1212019889039 has 2 divisors, whose sum is σ = 1212019889040. Its totient is φ = 1212019889038.

The previous prime is 1212019889027. The next prime is 1212019889051. The reversal of 1212019889039 is 9309889102121.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (1212019889027) and next prime (1212019889051).

It is a cyclic number.

It is not a de Polignac number, because 1212019889039 - 2¹⁶ = 1212019823503 is a prime.

It is a super-3 number, since 3×1212019889039³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1212019889009) 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, 606009944519 + 606009944520.

It is an arithmetic number, because the mean of its divisors is an integer number (606009944520).

Almost surely, 2^{1212019889039} is an apocalyptic number.

1212019889039 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212019889039 is an equidigital number, since it uses as much as digits as its factorization.

1212019889039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 559872, while the sum is 53.

The spelling of 1212019889039 in words is "one trillion, two hundred twelve billion, nineteen million, eight hundred eighty-nine thousand, thirty-nine".