6842120479512 has 16 divisors (see below), whose sum is σ = 17105301198840. Its totient is φ = 2280706826496.

The previous prime is 6842120479499. The next prime is 6842120479531. The reversal of 6842120479512 is 2159740212486.

It is a happy number.

It is a super-2 number, since 2×6842120479512² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142544176633 + ... + 142544176680.

Almost surely, 2^{6842120479512} is an apocalyptic number.

It is an amenable number.

6842120479512 is an abundant number, since it is smaller than the sum of its proper divisors (10263180719328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6842120479512 is a wasteful number, since it uses less digits than its factorization.

6842120479512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285088353322 (or 285088353318 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 51.

The spelling of 6842120479512 in words is "six trillion, eight hundred forty-two billion, one hundred twenty million, four hundred seventy-nine thousand, five hundred twelve".