12012001193 has 2 divisors, whose sum is σ = 12012001194. Its totient is φ = 12012001192.

The previous prime is 12012001139. The next prime is 12012001237. The reversal of 12012001193 is 39110021021.

Together with previous prime (12012001139) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7647152704 + 4364848489 = 87448^2 + 66067^2 .

It is a cyclic number.

It is not a de Polignac number, because 12012001193 - 2⁶ = 12012001129 is a prime.

It is not a weakly prime, because it can be changed into another prime (12012001103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6006000596 + 6006000597.

It is an arithmetic number, because the mean of its divisors is an integer number (6006000597).

Almost surely, 2^12012001193 is an apocalyptic number.

It is an amenable number.

12012001193 is a deficient number, since it is larger than the sum of its proper divisors (1).

12012001193 is an equidigital number, since it uses as much as digits as its factorization.

12012001193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 20.

The spelling of 12012001193 in words is "twelve billion, twelve million, one thousand, one hundred ninety-three".