12122120010019 has 4 divisors (see below), whose sum is σ = 12417781473720. Its totient is φ = 11826458546320.

The previous prime is 12122120009983. The next prime is 12122120010029. The reversal of 12122120010019 is 91001002122121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12122120010019 - 2²¹ = 12122117912867 is a prime.

It is a super-2 number, since 2×12122120010019² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12122120010029) 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 in 3 ways as a sum of consecutive naturals, for example, 147830731789 + ... + 147830731870.

It is an arithmetic number, because the mean of its divisors is an integer number (3104445368430).

Almost surely, 2^{12122120010019} is an apocalyptic number.

12122120010019 is a deficient number, since it is larger than the sum of its proper divisors (295661463701).

12122120010019 is an equidigital number, since it uses as much as digits as its factorization.

12122120010019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295661463700.

The product of its (nonzero) digits is 144, while the sum is 22.

The spelling of 12122120010019 in words is "twelve trillion, one hundred twenty-two billion, one hundred twenty million, ten thousand, nineteen".