12074724217 has 2 divisors, whose sum is σ = 12074724218. Its totient is φ = 12074724216.

The previous prime is 12074724209. The next prime is 12074724227. The reversal of 12074724217 is 71242747021.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11956110336 + 118613881 = 109344^2 + 10891^2 .

It is a cyclic number.

It is not a de Polignac number, because 12074724217 - 2³ = 12074724209 is a prime.

It is not a weakly prime, because it can be changed into another prime (12074724227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6037362108 + 6037362109.

It is an arithmetic number, because the mean of its divisors is an integer number (6037362109).

Almost surely, 2^12074724217 is an apocalyptic number.

It is an amenable number.

12074724217 is a deficient number, since it is larger than the sum of its proper divisors (1).

12074724217 is an equidigital number, since it uses as much as digits as its factorization.

12074724217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43904, while the sum is 37.

It can be divided in two parts, 12074 and 724217, that added together give a triangular number (736291 = T₁₂₁₃).

The spelling of 12074724217 in words is "twelve billion, seventy-four million, seven hundred twenty-four thousand, two hundred seventeen".