102412440243 has 24 divisors (see below), whose sum is σ = 151501995216. Its totient is φ = 66643012800.

The previous prime is 102412440233. The next prime is 102412440289. The reversal of 102412440243 is 342044214201.

102412440243 is a `hidden beast` number, since 1 + 0 + 2 + 412 + 4 + 4 + 0 + 243 = 666.

It is not a de Polignac number, because 102412440243 - 2¹⁶ = 102412374707 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102412440223) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 640080 + ... + 783917.

It is an arithmetic number, because the mean of its divisors is an integer number (6312583134).

Almost surely, 2^102412440243 is an apocalyptic number.

102412440243 is a deficient number, since it is larger than the sum of its proper divisors (49089554973).

102412440243 is a wasteful number, since it uses less digits than its factorization.

102412440243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1424195 (or 1424192 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 102412440243 its reverse (342044214201), we get a palindrome (444456654444).

The spelling of 102412440243 in words is "one hundred two billion, four hundred twelve million, four hundred forty thousand, two hundred forty-three".