12036266761 has 2 divisors, whose sum is σ = 12036266762. Its totient is φ = 12036266760.

The previous prime is 12036266731. The next prime is 12036266771. The reversal of 12036266761 is 16766263021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9923945161 + 2112321600 = 99619^2 + 45960^2 .

It is an emirp because it is prime and its reverse (16766263021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12036266761 - 2⁵ = 12036266729 is a prime.

It is a super-2 number, since 2×12036266761² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12036266731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6018133380 + 6018133381.

It is an arithmetic number, because the mean of its divisors is an integer number (6018133381).

Almost surely, 2^12036266761 is an apocalyptic number.

It is an amenable number.

12036266761 is a deficient number, since it is larger than the sum of its proper divisors (1).

12036266761 is an equidigital number, since it uses as much as digits as its factorization.

12036266761 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 40.

The spelling of 12036266761 in words is "twelve billion, thirty-six million, two hundred sixty-six thousand, seven hundred sixty-one".