12010582721 has 2 divisors, whose sum is σ = 12010582722. Its totient is φ = 12010582720.

The previous prime is 12010582709. The next prime is 12010582781. The reversal of 12010582721 is 12728501021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9014553025 + 2996029696 = 94945^2 + 54736^2 .

It is an emirp because it is prime and its reverse (12728501021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12010582721 - 2²² = 12006388417 is a prime.

It is not a weakly prime, because it can be changed into another prime (12010582781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6005291360 + 6005291361.

It is an arithmetic number, because the mean of its divisors is an integer number (6005291361).

Almost surely, 2^12010582721 is an apocalyptic number.

It is an amenable number.

12010582721 is a deficient number, since it is larger than the sum of its proper divisors (1).

12010582721 is an equidigital number, since it uses as much as digits as its factorization.

12010582721 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2240, while the sum is 29.

The spelling of 12010582721 in words is "twelve billion, ten million, five hundred eighty-two thousand, seven hundred twenty-one".