12234514421 has 2 divisors, whose sum is σ = 12234514422. Its totient is φ = 12234514420.

The previous prime is 12234514381. The next prime is 12234514427. The reversal of 12234514421 is 12441543221.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10513426225 + 1721088196 = 102535^2 + 41486^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12234514421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12234514427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6117257210 + 6117257211.

It is an arithmetic number, because the mean of its divisors is an integer number (6117257211).

Almost surely, 2^12234514421 is an apocalyptic number.

It is an amenable number.

12234514421 is a deficient number, since it is larger than the sum of its proper divisors (1).

12234514421 is an equidigital number, since it uses as much as digits as its factorization.

12234514421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7680, while the sum is 29.

The spelling of 12234514421 in words is "twelve billion, two hundred thirty-four million, five hundred fourteen thousand, four hundred twenty-one".