12443507744740 has 12 divisors (see below), whose sum is σ = 26131366263996. Its totient is φ = 4977403097888.

The previous prime is 12443507744669. The next prime is 12443507744813. The reversal of 12443507744740 is 4744770534421.

It can be written as a sum of positive squares in 2 ways, for example, as 7965806285376 + 4477701459364 = 2822376^2 + 2116058^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 311087693599 + ... + 311087693638.

It is an arithmetic number, because the mean of its divisors is an integer number (2177613855333).

Almost surely, 2^{12443507744740} is an apocalyptic number.

12443507744740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12443507744740 is an abundant number, since it is smaller than the sum of its proper divisors (13687858519256).

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

12443507744740 is a wasteful number, since it uses less digits than its factorization.

12443507744740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622175387246 (or 622175387244 counting only the distinct ones).

The product of its (nonzero) digits is 10536960, while the sum is 52.

The spelling of 12443507744740 in words is "twelve trillion, four hundred forty-three billion, five hundred seven million, seven hundred forty-four thousand, seven hundred forty".