611998119212 has 12 divisors (see below), whose sum is σ = 1074375249360. Its totient is φ = 305033762256.

The previous prime is 611998119197. The next prime is 611998119221. The reversal of 611998119212 is 212911899116.

It is a happy number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 241322912 + ... + 241325447.

It is an arithmetic number, because the mean of its divisors is an integer number (89531270780).

Almost surely, 2^611998119212 is an apocalyptic number.

It is an amenable number.

611998119212 is a deficient number, since it is larger than the sum of its proper divisors (462377130148).

611998119212 is a wasteful number, since it uses less digits than its factorization.

611998119212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482648680 (or 482648678 counting only the distinct ones).

The product of its digits is 139968, while the sum is 50.

The spelling of 611998119212 in words is "six hundred eleven billion, nine hundred ninety-eight million, one hundred nineteen thousand, two hundred twelve".