12119184820 has 48 divisors (see below), whose sum is σ = 25797582720. Its totient is φ = 4781971584.

The previous prime is 12119184787. The next prime is 12119184841. The reversal of 12119184820 is 2848191121.

It is a self number, because there is not a number n which added to its sum of digits gives 12119184820.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 422577 + ... + 450343.

It is an arithmetic number, because the mean of its divisors is an integer number (537449640).

Almost surely, 2^12119184820 is an apocalyptic number.

12119184820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12119184820 is an abundant number, since it is smaller than the sum of its proper divisors (13678397900).

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

12119184820 is a wasteful number, since it uses less digits than its factorization.

12119184820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28072 (or 28070 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 37.

The spelling of 12119184820 in words is "twelve billion, one hundred nineteen million, one hundred eighty-four thousand, eight hundred twenty".