1234817221834 has 12 divisors (see below), whose sum is σ = 2154630050514. Its totient is φ = 529207380744.

The previous prime is 1234817221819. The next prime is 1234817221861. The reversal of 1234817221834 is 4381227184321.

It can be written as a sum of positive squares in only one way, i.e., 832296763809 + 402520458025 = 912303^2 + 634445^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6300087769 + ... + 6300087964.

Almost surely, 2^{1234817221834} is an apocalyptic number.

1234817221834 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1234817221834 is a deficient number, since it is larger than the sum of its proper divisors (919812828680).

1234817221834 is a wasteful number, since it uses less digits than its factorization.

1234817221834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12600175749 (or 12600175742 counting only the distinct ones).

The product of its digits is 516096, while the sum is 46.

The spelling of 1234817221834 in words is "one trillion, two hundred thirty-four billion, eight hundred seventeen million, two hundred twenty-one thousand, eight hundred thirty-four".