1224120242329 has 2 divisors, whose sum is σ = 1224120242330. Its totient is φ = 1224120242328.

The previous prime is 1224120242321. The next prime is 1224120242347. The reversal of 1224120242329 is 9232420214221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 780664136704 + 443456105625 = 883552^2 + 665925^2 .

It is a cyclic number.

It is not a de Polignac number, because 1224120242329 - 2³ = 1224120242321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1224120242294 and 1224120242303.

It is not a weakly prime, because it can be changed into another prime (1224120242321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612060121164 + 612060121165.

It is an arithmetic number, because the mean of its divisors is an integer number (612060121165).

Almost surely, 2^{1224120242329} is an apocalyptic number.

It is an amenable number.

1224120242329 is a deficient number, since it is larger than the sum of its proper divisors (1).

1224120242329 is an equidigital number, since it uses as much as digits as its factorization.

1224120242329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 34.

The spelling of 1224120242329 in words is "one trillion, two hundred twenty-four billion, one hundred twenty million, two hundred forty-two thousand, three hundred twenty-nine".