12693231200550 has 24 divisors (see below), whose sum is σ = 31479213377736. Its totient is φ = 3384861653440.

The previous prime is 12693231200537. The next prime is 12693231200581. The reversal of 12693231200550 is 5500213239621.

It is a super-2 number, since 2×12693231200550² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12693231200499 and 12693231200508.

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 in 11 ways as a sum of consecutive naturals, for example, 42310770519 + ... + 42310770818.

It is an arithmetic number, because the mean of its divisors is an integer number (1311633890739).

Almost surely, 2^{12693231200550} is an apocalyptic number.

12693231200550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12693231200550 is an abundant number, since it is smaller than the sum of its proper divisors (18785982177186).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12693231200550 is a wasteful number, since it uses less digits than its factorization.

12693231200550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84621541352 (or 84621541347 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 39.

The spelling of 12693231200550 in words is "twelve trillion, six hundred ninety-three billion, two hundred thirty-one million, two hundred thousand, five hundred fifty".