12421331214623 has 2 divisors, whose sum is σ = 12421331214624. Its totient is φ = 12421331214622.

The previous prime is 12421331214581. The next prime is 12421331214659. The reversal of 12421331214623 is 32641213312421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12421331214623 - 2⁶ = 12421331214559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12421331214823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6210665607311 + 6210665607312.

It is an arithmetic number, because the mean of its divisors is an integer number (6210665607312).

Almost surely, 2^{12421331214623} is an apocalyptic number.

12421331214623 is a deficient number, since it is larger than the sum of its proper divisors (1).

12421331214623 is an equidigital number, since it uses as much as digits as its factorization.

12421331214623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 35.

The spelling of 12421331214623 in words is "twelve trillion, four hundred twenty-one billion, three hundred thirty-one million, two hundred fourteen thousand, six hundred twenty-three".