120751196819 has 6 divisors (see below), whose sum is σ = 131729835636. Its totient is φ = 109772767560.

The previous prime is 120751196777. The next prime is 120751196827. The reversal of 120751196819 is 918691157021.

It is not a de Polignac number, because 120751196819 - 2²⁰ = 120750148243 is a prime.

It is a super-2 number, since 2×120751196819² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120751196849) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 1100117 + ... + 1204889.

It is an arithmetic number, because the mean of its divisors is an integer number (21954972606).

Almost surely, 2^120751196819 is an apocalyptic number.

120751196819 is a deficient number, since it is larger than the sum of its proper divisors (10978638817).

120751196819 is an frugal number, since it uses more digits than its factorization.

120751196819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209557 (or 104784 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 50.

The spelling of 120751196819 in words is "one hundred twenty billion, seven hundred fifty-one million, one hundred ninety-six thousand, eight hundred nineteen".