142412212469 has 2 divisors, whose sum is σ = 142412212470. Its totient is φ = 142412212468.

The previous prime is 142412212421. The next prime is 142412212471. The reversal of 142412212469 is 964212214241.

142412212469 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113872502500 + 28539709969 = 337450^2 + 168937^2 .

It is an emirp because it is prime and its reverse (964212214241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142412212469 - 2¹² = 142412208373 is a prime.

It is a super-2 number, since 2×142412212469² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

Together with 142412212471, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142412212409) 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, 71206106234 + 71206106235.

It is an arithmetic number, because the mean of its divisors is an integer number (71206106235).

Almost surely, 2^142412212469 is an apocalyptic number.

It is an amenable number.

142412212469 is a deficient number, since it is larger than the sum of its proper divisors (1).

142412212469 is an equidigital number, since it uses as much as digits as its factorization.

142412212469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55296, while the sum is 38.

The spelling of 142412212469 in words is "one hundred forty-two billion, four hundred twelve million, two hundred twelve thousand, four hundred sixty-nine".