12601715219 has 2 divisors, whose sum is σ = 12601715220. Its totient is φ = 12601715218.

The previous prime is 12601715209. The next prime is 12601715227. The reversal of 12601715219 is 91251710621.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12601715219 is a prime.

It is a super-2 number, since 2×12601715219² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12601715209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6300857609 + 6300857610.

It is an arithmetic number, because the mean of its divisors is an integer number (6300857610).

Almost surely, 2^12601715219 is an apocalyptic number.

12601715219 is a deficient number, since it is larger than the sum of its proper divisors (1).

12601715219 is an equidigital number, since it uses as much as digits as its factorization.

12601715219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 35.

The spelling of 12601715219 in words is "twelve billion, six hundred one million, seven hundred fifteen thousand, two hundred nineteen".