12212434403 has 16 divisors (see below), whose sum is σ = 13276401600. Its totient is φ = 11166678144.

The previous prime is 12212434387. The next prime is 12212434463. The reversal of 12212434403 is 30443421221.

It is a cyclic number.

It is not a de Polignac number, because 12212434403 - 2⁴ = 12212434387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12212434463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 714050 + ... + 730952.

It is an arithmetic number, because the mean of its divisors is an integer number (829775100).

Almost surely, 2^12212434403 is an apocalyptic number.

12212434403 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12212434403 is a deficient number, since it is larger than the sum of its proper divisors (1063967197).

12212434403 is a wasteful number, since it uses less digits than its factorization.

12212434403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17438.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 12212434403 its reverse (30443421221), we get a palindrome (42655855624).

The spelling of 12212434403 in words is "twelve billion, two hundred twelve million, four hundred thirty-four thousand, four hundred three".