12203432403 has 16 divisors (see below), whose sum is σ = 16327207680. Its totient is φ = 8107681824.

The previous prime is 12203432369. The next prime is 12203432407. The reversal of 12203432403 is 30423430221.

It is not a de Polignac number, because 12203432403 - 2²⁵ = 12169877971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12203432407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1331625 + ... + 1340757.

It is an arithmetic number, because the mean of its divisors is an integer number (1020450480).

Almost surely, 2^12203432403 is an apocalyptic number.

12203432403 is a deficient number, since it is larger than the sum of its proper divisors (4123775277).

12203432403 is a wasteful number, since it uses less digits than its factorization.

12203432403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10618.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 12203432403 its reverse (30423430221), we get a palindrome (42626862624).

The spelling of 12203432403 in words is "twelve billion, two hundred three million, four hundred thirty-two thousand, four hundred three".