124212303243 has 12 divisors (see below), whose sum is σ = 205048881648. Its totient is φ = 70978458960.

The previous prime is 124212303203. The next prime is 124212303277. The reversal of 124212303243 is 342303212421.

124212303243 is a `hidden beast` number, since 1 + 2 + 421 + 230 + 3 + 2 + 4 + 3 = 666.

It is not a de Polignac number, because 124212303243 - 2³² = 119917335947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (124212303203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 985811868 + ... + 985811993.

It is an arithmetic number, because the mean of its divisors is an integer number (17087406804).

Almost surely, 2^124212303243 is an apocalyptic number.

124212303243 is a deficient number, since it is larger than the sum of its proper divisors (80836578405).

124212303243 is a wasteful number, since it uses less digits than its factorization.

124212303243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1971623874 (or 1971623871 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 124212303243 its reverse (342303212421), we get a palindrome (466515515664).

The spelling of 124212303243 in words is "one hundred twenty-four billion, two hundred twelve million, three hundred three thousand, two hundred forty-three".