12146481560 has 32 divisors (see below), whose sum is σ = 27404084160.
Its totient is φ = 4845348096.
The previous prime is 12146481559. The next prime is 12146481593. The reversal of 12146481560 is 6518464121.
It is a congruent number.
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 7 ways as a sum of consecutive naturals, for example, 399029 + ... + 428388.
It is an arithmetic number, because the mean of its divisors is an integer number (856377630).
Almost surely, 212146481560 is an apocalyptic number.
12146481560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12146481560 is an abundant number, since it is smaller than the sum of its proper divisors (15257602600).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12146481560 is a wasteful number, since it uses less digits than its factorization.
12146481560 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 827795 (or 827791 counting only the distinct ones).
The product of its (nonzero) digits is 46080, while the sum is 38.
The spelling of 12146481560 in words is "twelve billion, one hundred forty-six million, four hundred eighty-one thousand, five hundred sixty".