13420212427 has 2 divisors, whose sum is σ = 13420212428. Its totient is φ = 13420212426.

The previous prime is 13420212389. The next prime is 13420212433. The reversal of 13420212427 is 72421202431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13420212427 - 2²³ = 13411823819 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13420212395 and 13420212404.

It is not a weakly prime, because it can be changed into another prime (13420216427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6710106213 + 6710106214.

It is an arithmetic number, because the mean of its divisors is an integer number (6710106214).

Almost surely, 2^13420212427 is an apocalyptic number.

13420212427 is a deficient number, since it is larger than the sum of its proper divisors (1).

13420212427 is an equidigital number, since it uses as much as digits as its factorization.

13420212427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5376, while the sum is 28.

Adding to 13420212427 its reverse (72421202431), we get a palindrome (85841414858).

The spelling of 13420212427 in words is "thirteen billion, four hundred twenty million, two hundred twelve thousand, four hundred twenty-seven".