12134477056 has 72 divisors (see below), whose sum is σ = 27619276104. Its totient is φ = 5271060480.

The previous prime is 12134477051. The next prime is 12134477059. The reversal of 12134477056 is 65077443121.

It can be written as a sum of positive squares in 4 ways, for example, as 1268499456 + 10865977600 = 35616^2 + 104240^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12134477051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50665 + ... + 163816.

It is an arithmetic number, because the mean of its divisors is an integer number (383601057).

Almost surely, 2^12134477056 is an apocalyptic number.

12134477056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12134477056 is an abundant number, since it is smaller than the sum of its proper divisors (15484799048).

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

12134477056 is a wasteful number, since it uses less digits than its factorization.

12134477056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214527 (or 214513 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 40.

The spelling of 12134477056 in words is "twelve billion, one hundred thirty-four million, four hundred seventy-seven thousand, fifty-six".