12040200231243 has 16 divisors (see below), whose sum is σ = 16058680262016. Its totient is φ = 8024260449600.

The previous prime is 12040200231233. The next prime is 12040200231289. The reversal of 12040200231243 is 34213200204021.

It is a happy number.

It is not a de Polignac number, because 12040200231243 - 2⁹ = 12040200230731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12040200231223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 340091343 + ... + 340126743.

It is an arithmetic number, because the mean of its divisors is an integer number (1003667516376).

Almost surely, 2^{12040200231243} is an apocalyptic number.

12040200231243 is a deficient number, since it is larger than the sum of its proper divisors (4018480030773).

12040200231243 is a wasteful number, since it uses less digits than its factorization.

12040200231243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68074.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 12040200231243 its reverse (34213200204021), we get a palindrome (46253400435264).

The spelling of 12040200231243 in words is "twelve trillion, forty billion, two hundred million, two hundred thirty-one thousand, two hundred forty-three".