1229798384068 has 12 divisors (see below), whose sum is σ = 2210313312172. Its totient is φ = 598280294880.

The previous prime is 1229798384051. The next prime is 1229798384069. The reversal of 1229798384068 is 8604838979221.

It can be written as a sum of positive squares in 2 ways, for example, as 557713227204 + 672085156864 = 746802^2 + 819808^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1229798383994 and 1229798384012.

It is not an unprimeable number, because it can be changed into a prime (1229798384069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4154724123 + ... + 4154724418.

Almost surely, 2^{1229798384068} is an apocalyptic number.

It is an amenable number.

1229798384068 is a deficient number, since it is larger than the sum of its proper divisors (980514928104).

1229798384068 is a wasteful number, since it uses less digits than its factorization.

1229798384068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8309448582 (or 8309448580 counting only the distinct ones).

The product of its (nonzero) digits is 83607552, while the sum is 67.

The spelling of 1229798384068 in words is "one trillion, two hundred twenty-nine billion, seven hundred ninety-eight million, three hundred eighty-four thousand, sixty-eight".