12345617833950 has 24 divisors (see below), whose sum is σ = 30617132228568. Its totient is φ = 3292164755680.

The previous prime is 12345617833921. The next prime is 12345617834023. The reversal of 12345617833950 is 5933871654321.

It is a happy number.

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41152059297 + ... + 41152059596.

It is an arithmetic number, because the mean of its divisors is an integer number (1275713842857).

It is a 1-persistent number, because it is pandigital, but 2⋅12345617833950 = 24691235667900 is not.

Almost surely, 2^{12345617833950} is an apocalyptic number.

12345617833950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12345617833950 is an abundant number, since it is smaller than the sum of its proper divisors (18271514394618).

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

12345617833950 is a wasteful number, since it uses less digits than its factorization.

12345617833950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82304118908 (or 82304118903 counting only the distinct ones).

The product of its (nonzero) digits is 16329600, while the sum is 57.

The spelling of 12345617833950 in words is "twelve trillion, three hundred forty-five billion, six hundred seventeen million, eight hundred thirty-three thousand, nine hundred fifty".