12101144513 has 2 divisors, whose sum is σ = 12101144514. Its totient is φ = 12101144512.

The previous prime is 12101144509. The next prime is 12101144543. The reversal of 12101144513 is 31544110121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6155500849 + 5945643664 = 78457^2 + 77108^2 .

It is a cyclic number.

It is not a de Polignac number, because 12101144513 - 2² = 12101144509 is a prime.

It is not a weakly prime, because it can be changed into another prime (12101144543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6050572256 + 6050572257.

It is an arithmetic number, because the mean of its divisors is an integer number (6050572257).

Almost surely, 2^12101144513 is an apocalyptic number.

It is an amenable number.

12101144513 is a deficient number, since it is larger than the sum of its proper divisors (1).

12101144513 is an equidigital number, since it uses as much as digits as its factorization.

12101144513 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 12101144513 its reverse (31544110121), we get a palindrome (43645254634).

The spelling of 12101144513 in words is "twelve billion, one hundred one million, one hundred forty-four thousand, five hundred thirteen".