103144649621712 has 80 divisors (see below), whose sum is σ = 272136209042880. Its totient is φ = 33653752247296.

The previous prime is 103144649621681. The next prime is 103144649621723. The reversal of 103144649621712 is 217126946441301.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77497083 + ... + 78816794.

It is an arithmetic number, because the mean of its divisors is an integer number (3401702613036).

Almost surely, 2^{103144649621712} is an apocalyptic number.

103144649621712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

103144649621712 is an abundant number, since it is smaller than the sum of its proper divisors (168991559421168).

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

103144649621712 is a wasteful number, since it uses less digits than its factorization.

103144649621712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156314180 (or 156314174 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 51.

The spelling of 103144649621712 in words is "one hundred three trillion, one hundred forty-four billion, six hundred forty-nine million, six hundred twenty-one thousand, seven hundred twelve".