12213002543 has 8 divisors (see below), whose sum is σ = 13959873312. Its totient is φ = 10466670816.

The previous prime is 12213002539. The next prime is 12213002561. The reversal of 12213002543 is 34520031221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12213002543 - 2² = 12213002539 is a prime.

It is a super-2 number, since 2×12213002543² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12213002443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84980 + ... + 177897.

It is an arithmetic number, because the mean of its divisors is an integer number (1744984164).

Almost surely, 2^12213002543 is an apocalyptic number.

12213002543 is a deficient number, since it is larger than the sum of its proper divisors (1746870769).

12213002543 is an equidigital number, since it uses as much as digits as its factorization.

12213002543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269521.

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 12213002543 its reverse (34520031221), we get a palindrome (46733033764).

The spelling of 12213002543 in words is "twelve billion, two hundred thirteen million, two thousand, five hundred forty-three".