12034405231 has 4 divisors (see below), whose sum is σ = 12667795000. Its totient is φ = 11401015464.

The previous prime is 12034405133. The next prime is 12034405261. The reversal of 12034405231 is 13250443021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13250443021 = 223 ⋅59419027.

It is a cyclic number.

It is not a de Polignac number, because 12034405231 - 2¹⁵ = 12034372463 is a prime.

It is a super-2 number, since 2×12034405231² (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 = 12034405196 and 12034405205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12034405261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 316694856 + ... + 316694893.

It is an arithmetic number, because the mean of its divisors is an integer number (3166948750).

Almost surely, 2^12034405231 is an apocalyptic number.

12034405231 is a deficient number, since it is larger than the sum of its proper divisors (633389769).

12034405231 is an equidigital number, since it uses as much as digits as its factorization.

12034405231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633389768.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 12034405231 its reverse (13250443021), we get a palindrome (25284848252).

The spelling of 12034405231 in words is "twelve billion, thirty-four million, four hundred five thousand, two hundred thirty-one".