12636026141 has 2 divisors, whose sum is σ = 12636026142. Its totient is φ = 12636026140.

The previous prime is 12636026113. The next prime is 12636026147. The reversal of 12636026141 is 14162063621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7299139225 + 5336886916 = 85435^2 + 73054^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12636026141 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12636026098 and 12636026107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12636026147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6318013070 + 6318013071.

It is an arithmetic number, because the mean of its divisors is an integer number (6318013071).

Almost surely, 2^12636026141 is an apocalyptic number.

It is an amenable number.

12636026141 is a deficient number, since it is larger than the sum of its proper divisors (1).

12636026141 is an equidigital number, since it uses as much as digits as its factorization.

12636026141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 32.

Adding to 12636026141 its reverse (14162063621), we get a palindrome (26798089762).

The spelling of 12636026141 in words is "twelve billion, six hundred thirty-six million, twenty-six thousand, one hundred forty-one".