12253013231 has 4 divisors (see below), whose sum is σ = 12253344264. Its totient is φ = 12252682200.

The previous prime is 12253013197. The next prime is 12253013249. The reversal of 12253013231 is 13231035221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12253013231 is a prime.

It is a super-2 number, since 2×12253013231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12253013197 and 12253013206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12253013831) 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 3 ways as a sum of consecutive naturals, for example, 101825 + ... + 186746.

It is an arithmetic number, because the mean of its divisors is an integer number (3063336066).

Almost surely, 2^12253013231 is an apocalyptic number.

12253013231 is a deficient number, since it is larger than the sum of its proper divisors (331033).

12253013231 is an equidigital number, since it uses as much as digits as its factorization.

12253013231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331032.

The product of its (nonzero) digits is 1080, while the sum is 23.

Adding to 12253013231 its reverse (13231035221), we get a palindrome (25484048452).

The spelling of 12253013231 in words is "twelve billion, two hundred fifty-three million, thirteen thousand, two hundred thirty-one".