12345214813 has 2 divisors, whose sum is σ = 12345214814. Its totient is φ = 12345214812.

The previous prime is 12345214807. The next prime is 12345214837. The reversal of 12345214813 is 31841254321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12268442169 + 76772644 = 110763^2 + 8762^2 .

It is a cyclic number.

It is not a de Polignac number, because 12345214813 - 2⁵ = 12345214781 is a prime.

It is a super-2 number, since 2×12345214813² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12345214213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6172607406 + 6172607407.

It is an arithmetic number, because the mean of its divisors is an integer number (6172607407).

Almost surely, 2^12345214813 is an apocalyptic number.

It is an amenable number.

12345214813 is a deficient number, since it is larger than the sum of its proper divisors (1).

12345214813 is an equidigital number, since it uses as much as digits as its factorization.

12345214813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23040, while the sum is 34.

The spelling of 12345214813 in words is "twelve billion, three hundred forty-five million, two hundred fourteen thousand, eight hundred thirteen".