12034322421 has 16 divisors (see below), whose sum is σ = 17668067328. Its totient is φ = 7225362800.

The previous prime is 12034322383. The next prime is 12034322441. The reversal of 12034322421 is 12422343021.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12034322421 - 2¹⁷ = 12034191349 is a prime.

It is a super-2 number, since 2×12034322421² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12034322391 and 12034322400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12034322441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1700565 + ... + 1707626.

It is an arithmetic number, because the mean of its divisors is an integer number (1104254208).

Almost surely, 2^12034322421 is an apocalyptic number.

12034322421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12034322421 is a deficient number, since it is larger than the sum of its proper divisors (5633744907).

12034322421 is a wasteful number, since it uses less digits than its factorization.

12034322421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3408312.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 12034322421 its reverse (12422343021), we get a palindrome (24456665442).

The spelling of 12034322421 in words is "twelve billion, thirty-four million, three hundred twenty-two thousand, four hundred twenty-one".