12340473435801 has 45 divisors (see below), whose sum is σ = 20786175268521. Its totient is φ = 7034457788064.

The previous prime is 12340473435799. The next prime is 12340473435809. The reversal of 12340473435801 is 10853437404321.

It is a happy number.

The square root of 12340473435801 is 3512901.

It is a perfect power (a square), and thus also a powerful number.

12340473435801 is a `hidden beast` number, since 1 + 2 + 34 + 0 + 4 + 7 + 34 + 3 + 580 + 1 = 666.

12340473435801 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 8457051426201 + 3883422009600 = 2908101^2 + 1970640^2 .

It is not a de Polignac number, because 12340473435801 - 2¹ = 12340473435799 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12340473435809) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 30172306485 + ... + 30172306893.

Almost surely, 2^{12340473435801} is an apocalyptic number.

12340473435801 is the 3512901-st square number.

12340473435801 is the 1756451-st centered octagonal number.

It is an amenable number.

12340473435801 is a deficient number, since it is larger than the sum of its proper divisors (8445701832720).

12340473435801 is an frugal number, since it uses more digits than its factorization.

12340473435801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1656 (or 419 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 45.

The spelling of 12340473435801 in words is "twelve trillion, three hundred forty billion, four hundred seventy-three million, four hundred thirty-five thousand, eight hundred one".