12148813481640 has 128 divisors (see below), whose sum is σ = 40509937468800. Its totient is φ = 2889597701120.

The previous prime is 12148813481639. The next prime is 12148813481657. The reversal of 12148813481640 is 4618431884121.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 86756895 + ... + 86896814.

It is an arithmetic number, because the mean of its divisors is an integer number (316483886475).

Almost surely, 2^{12148813481640} is an apocalyptic number.

12148813481640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12148813481640 is an abundant number, since it is smaller than the sum of its proper divisors (28361123987160).

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

12148813481640 is a wasteful number, since it uses less digits than its factorization.

12148813481640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173653787 (or 173653783 counting only the distinct ones).

The product of its (nonzero) digits is 1179648, while the sum is 51.

The spelling of 12148813481640 in words is "twelve trillion, one hundred forty-eight billion, eight hundred thirteen million, four hundred eighty-one thousand, six hundred forty".