12611045201 has 2 divisors, whose sum is σ = 12611045202. Its totient is φ = 12611045200.

The previous prime is 12611045177. The next prime is 12611045231. The reversal of 12611045201 is 10254011621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9712299601 + 2898745600 = 98551^2 + 53840^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12611045201 is a prime.

It is a super-2 number, since 2×12611045201² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12611045231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6305522600 + 6305522601.

It is an arithmetic number, because the mean of its divisors is an integer number (6305522601).

Almost surely, 2^12611045201 is an apocalyptic number.

It is an amenable number.

12611045201 is a deficient number, since it is larger than the sum of its proper divisors (1).

12611045201 is an equidigital number, since it uses as much as digits as its factorization.

12611045201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 23.

Adding to 12611045201 its reverse (10254011621), we get a palindrome (22865056822).

The spelling of 12611045201 in words is "twelve billion, six hundred eleven million, forty-five thousand, two hundred one".