12114222421 has 24 divisors (see below), whose sum is σ = 14463054144. Its totient is φ = 10113788160.

The previous prime is 12114222391. The next prime is 12114222437. The reversal of 12114222421 is 12422241121.

It is not a de Polignac number, because 12114222421 - 2⁹ = 12114221909 is a prime.

It is a super-3 number, since 3×12114222421³ (a number of 31 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12114222392 and 12114222401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12114222221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 267781 + ... + 309733.

It is an arithmetic number, because the mean of its divisors is an integer number (602627256).

Almost surely, 2^12114222421 is an apocalyptic number.

It is an amenable number.

12114222421 is a deficient number, since it is larger than the sum of its proper divisors (2348831723).

12114222421 is an equidigital number, since it uses as much as digits as its factorization.

12114222421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42121 (or 42114 counting only the distinct ones).

The product of its digits is 512, while the sum is 22.

Adding to 12114222421 its reverse (12422241121), we get a palindrome (24536463542).

The spelling of 12114222421 in words is "twelve billion, one hundred fourteen million, two hundred twenty-two thousand, four hundred twenty-one".