12124210431 has 8 divisors (see below), whose sum is σ = 16602522544. Its totient is φ = 7864352640.

The previous prime is 12124210421. The next prime is 12124210459. The reversal of 12124210431 is 13401242121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12124210431 - 2¹⁰ = 12124209407 is a prime.

It is a super-2 number, since 2×12124210431² (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 = 12124210398 and 12124210407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12124210421) 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 7 ways as a sum of consecutive naturals, for example, 54613450 + ... + 54613671.

It is an arithmetic number, because the mean of its divisors is an integer number (2075315318).

Almost surely, 2^12124210431 is an apocalyptic number.

12124210431 is a deficient number, since it is larger than the sum of its proper divisors (4478312113).

12124210431 is a wasteful number, since it uses less digits than its factorization.

12124210431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109227161.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 12124210431 its reverse (13401242121), we get a palindrome (25525452552).

The spelling of 12124210431 in words is "twelve billion, one hundred twenty-four million, two hundred ten thousand, four hundred thirty-one".