12134223431 has 8 divisors (see below), whose sum is σ = 13279630224. Its totient is φ = 10995865920.

The previous prime is 12134223407. The next prime is 12134223487. The reversal of 12134223431 is 13432243121.

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

It is a cyclic number.

It is not a de Polignac number, because 12134223431 - 2¹⁰ = 12134222407 is a prime.

It is a super-2 number, since 2×12134223431² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12134223431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12134223401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1758716 + ... + 1765601.

It is an arithmetic number, because the mean of its divisors is an integer number (1659953778).

Almost surely, 2^12134223431 is an apocalyptic number.

12134223431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12134223431 is a deficient number, since it is larger than the sum of its proper divisors (1145406793).

12134223431 is a wasteful number, since it uses less digits than its factorization.

12134223431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3524641.

The product of its digits is 3456, while the sum is 26.

Adding to 12134223431 its reverse (13432243121), we get a palindrome (25566466552).

The spelling of 12134223431 in words is "twelve billion, one hundred thirty-four million, two hundred twenty-three thousand, four hundred thirty-one".