12454212231 has 12 divisors (see below), whose sum is σ = 18235849008. Its totient is φ = 8189070624.

The previous prime is 12454212227. The next prime is 12454212263. The reversal of 12454212231 is 13221245421.

12454212231 is a `hidden beast` number, since 1 + 2 + 4 + 5 + 421 + 2 + 231 = 666.

It is not a de Polignac number, because 12454212231 - 2² = 12454212227 is a prime.

It is a super-2 number, since 2×12454212231² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12454212195 and 12454212204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12454214231) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9477435 + ... + 9478748.

It is an arithmetic number, because the mean of its divisors is an integer number (1519654084).

Almost surely, 2^12454212231 is an apocalyptic number.

12454212231 is a deficient number, since it is larger than the sum of its proper divisors (5781636777).

12454212231 is a wasteful number, since it uses less digits than its factorization.

12454212231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18956262 (or 18956259 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

Adding to 12454212231 its reverse (13221245421), we get a palindrome (25675457652).

The spelling of 12454212231 in words is "twelve billion, four hundred fifty-four million, two hundred twelve thousand, two hundred thirty-one".