1229832807512 has 8 divisors (see below), whose sum is σ = 2305936514100. Its totient is φ = 614916403752.

The previous prime is 1229832807509. The next prime is 1229832807523. The reversal of 1229832807512 is 2157082389221.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

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, 76864550462 + ... + 76864550477.

Almost surely, 2^{1229832807512} is an apocalyptic number.

It is an amenable number.

1229832807512 is a deficient number, since it is larger than the sum of its proper divisors (1076103706588).

1229832807512 is a wasteful number, since it uses less digits than its factorization.

1229832807512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153729100945 (or 153729100941 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 50.

The spelling of 1229832807512 in words is "one trillion, two hundred twenty-nine billion, eight hundred thirty-two million, eight hundred seven thousand, five hundred twelve".