12235213503 has 6 divisors (see below), whose sum is σ = 17673086184. Its totient is φ = 8156808996.

The previous prime is 12235213493. The next prime is 12235213511. The reversal of 12235213503 is 30531253221.

It is a happy number.

12235213503 is a `hidden beast` number, since 122 + 35 + 2 + 1 + 3 + 503 = 666.

It is not a de Polignac number, because 12235213503 - 2⁶ = 12235213439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12235213583) 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 5 ways as a sum of consecutive naturals, for example, 679734075 + ... + 679734092.

It is an arithmetic number, because the mean of its divisors is an integer number (2945514364).

Almost surely, 2^12235213503 is an apocalyptic number.

12235213503 is a deficient number, since it is larger than the sum of its proper divisors (5437872681).

12235213503 is a wasteful number, since it uses less digits than its factorization.

12235213503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1359468173 (or 1359468170 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

Adding to 12235213503 its reverse (30531253221), we get a palindrome (42766466724).

The spelling of 12235213503 in words is "twelve billion, two hundred thirty-five million, two hundred thirteen thousand, five hundred three".