12128016480 has 96 divisors (see below), whose sum is σ = 39135102048. Its totient is φ = 3155251200.

The previous prime is 12128016377. The next prime is 12128016487. The reversal of 12128016480 is 8461082121.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12128016487) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 288451 + ... + 327810.

It is an arithmetic number, because the mean of its divisors is an integer number (407657313).

Almost surely, 2^12128016480 is an apocalyptic number.

12128016480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12128016480 is an abundant number, since it is smaller than the sum of its proper divisors (27007085568).

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

12128016480 is a wasteful number, since it uses less digits than its factorization.

12128016480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616320 (or 616312 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 33.

The spelling of 12128016480 in words is "twelve billion, one hundred twenty-eight million, sixteen thousand, four hundred eighty".