12820050930 has 32 divisors (see below), whose sum is σ = 31760644608. Its totient is φ = 3308400000.

The previous prime is 12820050923. The next prime is 12820050953. The reversal of 12820050930 is 3905002821.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 6891571 + ... + 6893430.

It is an arithmetic number, because the mean of its divisors is an integer number (992520144).

Almost surely, 2^12820050930 is an apocalyptic number.

12820050930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12820050930 is an abundant number, since it is smaller than the sum of its proper divisors (18940593678).

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

12820050930 is a wasteful number, since it uses less digits than its factorization.

12820050930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13785042.

The product of its (nonzero) digits is 4320, while the sum is 30.

The spelling of 12820050930 in words is "twelve billion, eight hundred twenty million, fifty thousand, nine hundred thirty".