1214212021439 has 2 divisors, whose sum is σ = 1214212021440. Its totient is φ = 1214212021438.

The previous prime is 1214212021427. The next prime is 1214212021441. The reversal of 1214212021439 is 9341202124121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1214212021439 - 2⁴ = 1214212021423 is a prime.

Together with 1214212021441, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1214212023439) 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, 607106010719 + 607106010720.

It is an arithmetic number, because the mean of its divisors is an integer number (607106010720).

Almost surely, 2^{1214212021439} is an apocalyptic number.

1214212021439 is a deficient number, since it is larger than the sum of its proper divisors (1).

1214212021439 is an equidigital number, since it uses as much as digits as its factorization.

1214212021439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 32.

The spelling of 1214212021439 in words is "one trillion, two hundred fourteen billion, two hundred twelve million, twenty-one thousand, four hundred thirty-nine".