12176920448 has 128 divisors (see below), whose sum is σ = 30816599040. Its totient is φ = 4654540800.

The previous prime is 12176920439. The next prime is 12176920451. The reversal of 12176920448 is 84402967121.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 12176920399 and 12176920408.

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, 510713 + ... + 534023.

It is an arithmetic number, because the mean of its divisors is an integer number (240754680).

Almost surely, 2^12176920448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12176920448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15408299520).

12176920448 is an abundant number, since it is smaller than the sum of its proper divisors (18639678592).

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

12176920448 is a wasteful number, since it uses less digits than its factorization.

12176920448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23396 (or 23384 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 44.

The spelling of 12176920448 in words is "twelve billion, one hundred seventy-six million, nine hundred twenty thousand, four hundred forty-eight".