12402441343 has 4 divisors (see below), whose sum is σ = 12802520128. Its totient is φ = 12002362560.

The previous prime is 12402441313. The next prime is 12402441377. The reversal of 12402441343 is 34314420421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34314420421 = 383 ⋅89593787.

It is a cyclic number.

It is not a de Polignac number, because 12402441343 - 2¹³ = 12402433151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12402441313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200039346 + ... + 200039407.

It is an arithmetic number, because the mean of its divisors is an integer number (3200630032).

Almost surely, 2^12402441343 is an apocalyptic number.

12402441343 is a deficient number, since it is larger than the sum of its proper divisors (400078785).

12402441343 is an equidigital number, since it uses as much as digits as its factorization.

12402441343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400078784.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 12402441343 its reverse (34314420421), we get a palindrome (46716861764).

The spelling of 12402441343 in words is "twelve billion, four hundred two million, four hundred forty-one thousand, three hundred forty-three".