12420134202613 has 2 divisors, whose sum is σ = 12420134202614. Its totient is φ = 12420134202612.

The previous prime is 12420134202607. The next prime is 12420134202629. The reversal of 12420134202613 is 31620243102421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12398694507684 + 21439694929 = 3521178^2 + 146423^2 .

It is a cyclic number.

It is not a de Polignac number, because 12420134202613 - 2¹³ = 12420134194421 is a prime.

It is a super-2 number, since 2×12420134202613² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12420134202013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6210067101306 + 6210067101307.

It is an arithmetic number, because the mean of its divisors is an integer number (6210067101307).

Almost surely, 2^{12420134202613} is an apocalyptic number.

It is an amenable number.

12420134202613 is a deficient number, since it is larger than the sum of its proper divisors (1).

12420134202613 is an equidigital number, since it uses as much as digits as its factorization.

12420134202613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 31.

The spelling of 12420134202613 in words is "twelve trillion, four hundred twenty billion, one hundred thirty-four million, two hundred two thousand, six hundred thirteen".