1202112204649 has 2 divisors, whose sum is σ = 1202112204650. Its totient is φ = 1202112204648.

The previous prime is 1202112204641. The next prime is 1202112204661. The reversal of 1202112204649 is 9464022112021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1191387531049 + 10724673600 = 1091507^2 + 103560^2 .

It is a cyclic number.

It is not a de Polignac number, because 1202112204649 - 2³ = 1202112204641 is a prime.

It is not a weakly prime, because it can be changed into another prime (1202112204641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601056102324 + 601056102325.

It is an arithmetic number, because the mean of its divisors is an integer number (601056102325).

Almost surely, 2^{1202112204649} is an apocalyptic number.

It is an amenable number.

1202112204649 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202112204649 is an equidigital number, since it uses as much as digits as its factorization.

1202112204649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 34.

The spelling of 1202112204649 in words is "one trillion, two hundred two billion, one hundred twelve million, two hundred four thousand, six hundred forty-nine".