1202997822709 has 2 divisors, whose sum is σ = 1202997822710. Its totient is φ = 1202997822708.

The previous prime is 1202997822659. The next prime is 1202997822773. The reversal of 1202997822709 is 9072287992021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1193672057809 + 9325764900 = 1092553^2 + 96570^2 .

It is a cyclic number.

It is not a de Polignac number, because 1202997822709 - 2¹⁵ = 1202997789941 is a prime.

It is a super-2 number, since 2×1202997822709² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1202997822799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601498911354 + 601498911355.

It is an arithmetic number, because the mean of its divisors is an integer number (601498911355).

Almost surely, 2^{1202997822709} is an apocalyptic number.

It is an amenable number.

1202997822709 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202997822709 is an equidigital number, since it uses as much as digits as its factorization.

1202997822709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4572288, while the sum is 58.

The spelling of 1202997822709 in words is "one trillion, two hundred two billion, nine hundred ninety-seven million, eight hundred twenty-two thousand, seven hundred nine".