12276819120 has 80 divisors (see below), whose sum is σ = 38703237120. Its totient is φ = 3218326272.

The previous prime is 12276819119. The next prime is 12276819143. The reversal of 12276819120 is 2191867221.

It is a tau number, because it is divible by the number of its divisors (80).

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, 419344 + ... + 447663.

It is an arithmetic number, because the mean of its divisors is an integer number (483790464).

Almost surely, 2^12276819120 is an apocalyptic number.

12276819120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12276819120 is an abundant number, since it is smaller than the sum of its proper divisors (26426418000).

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

12276819120 is a wasteful number, since it uses less digits than its factorization.

12276819120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867082 (or 867076 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 39.

The spelling of 12276819120 in words is "twelve billion, two hundred seventy-six million, eight hundred nineteen thousand, one hundred twenty".