1224035421361 has 2 divisors, whose sum is σ = 1224035421362. Its totient is φ = 1224035421360.

The previous prime is 1224035421289. The next prime is 1224035421377. The reversal of 1224035421361 is 1631245304221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1181229880336 + 42805541025 = 1086844^2 + 206895^2 .

It is a cyclic number.

It is not a de Polignac number, because 1224035421361 - 2³⁷ = 1086596467889 is a prime.

It is not a weakly prime, because it can be changed into another prime (1224035421061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612017710680 + 612017710681.

It is an arithmetic number, because the mean of its divisors is an integer number (612017710681).

Almost surely, 2^{1224035421361} is an apocalyptic number.

It is an amenable number.

1224035421361 is a deficient number, since it is larger than the sum of its proper divisors (1).

1224035421361 is an equidigital number, since it uses as much as digits as its factorization.

1224035421361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 34.

The spelling of 1224035421361 in words is "one trillion, two hundred twenty-four billion, thirty-five million, four hundred twenty-one thousand, three hundred sixty-one".