12010011001 has 2 divisors, whose sum is σ = 12010011002. Its totient is φ = 12010011000.

The previous prime is 12010010981. The next prime is 12010011007. The reversal of 12010011001 is 10011001021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11958516025 + 51494976 = 109355^2 + 7176^2 .

It is a cyclic number.

It is not a de Polignac number, because 12010011001 - 2²⁷ = 11875793273 is a prime.

It is not a weakly prime, because it can be changed into another prime (12010011007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6005005500 + 6005005501.

It is an arithmetic number, because the mean of its divisors is an integer number (6005005501).

Almost surely, 2^12010011001 is an apocalyptic number.

It is an amenable number.

12010011001 is a deficient number, since it is larger than the sum of its proper divisors (1).

12010011001 is an equidigital number, since it uses as much as digits as its factorization.

12010011001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 12010011001 its reverse (10011001021), we get a palindrome (22021012022).

The spelling of 12010011001 in words is "twelve billion, ten million, eleven thousand, one".