1202112221279 has 2 divisors, whose sum is σ = 1202112221280. Its totient is φ = 1202112221278.

The previous prime is 1202112221119. The next prime is 1202112221291. The reversal of 1202112221279 is 9721222112021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1202112221279 - 2¹⁶ = 1202112155743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1202112521279) 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, 601056110639 + 601056110640.

It is an arithmetic number, because the mean of its divisors is an integer number (601056110640).

Almost surely, 2^{1202112221279} is an apocalyptic number.

1202112221279 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202112221279 is an equidigital number, since it uses as much as digits as its factorization.

1202112221279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 32.

The spelling of 1202112221279 in words is "one trillion, two hundred two billion, one hundred twelve million, two hundred twenty-one thousand, two hundred seventy-nine".