13201212127 has 2 divisors, whose sum is σ = 13201212128. Its totient is φ = 13201212126.

The previous prime is 13201212109. The next prime is 13201212151. The reversal of 13201212127 is 72121210231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13201212127 - 2⁷ = 13201211999 is a prime.

It is a super-5 number, since 5×13201212127⁵ (a number of 52 digits) contains 55555 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13201212098 and 13201212107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13201212527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6600606063 + 6600606064.

It is an arithmetic number, because the mean of its divisors is an integer number (6600606064).

Almost surely, 2^13201212127 is an apocalyptic number.

13201212127 is a deficient number, since it is larger than the sum of its proper divisors (1).

13201212127 is an equidigital number, since it uses as much as digits as its factorization.

13201212127 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 22.

Adding to 13201212127 its reverse (72121210231), we get a palindrome (85322422358).

The spelling of 13201212127 in words is "thirteen billion, two hundred one million, two hundred twelve thousand, one hundred twenty-seven".