12403213043 has 8 divisors (see below), whose sum is σ = 13360544736. Its totient is φ = 11446344000.

The previous prime is 12403213033. The next prime is 12403213099. The reversal of 12403213043 is 34031230421.

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

It is not a de Polignac number, because 12403213043 - 2¹² = 12403208947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12403213033) 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, 58943 + ... + 168168.

It is an arithmetic number, because the mean of its divisors is an integer number (1670068092).

Almost surely, 2^12403213043 is an apocalyptic number.

12403213043 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12403213043 is a deficient number, since it is larger than the sum of its proper divisors (957331693).

12403213043 is a wasteful number, since it uses less digits than its factorization.

12403213043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231325.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 12403213043 its reverse (34031230421), we get a palindrome (46434443464).

The spelling of 12403213043 in words is "twelve billion, four hundred three million, two hundred thirteen thousand, forty-three".