124221243220112 has 40 divisors (see below), whose sum is σ = 245804432188032. Its totient is φ = 60787894601600.

The previous prime is 124221243220079. The next prime is 124221243220189. The reversal of 124221243220112 is 211022342122421.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 36270662 + ... + 39547482.

Almost surely, 2^{124221243220112} is an apocalyptic number.

It is an amenable number.

124221243220112 is a deficient number, since it is larger than the sum of its proper divisors (121583188967920).

124221243220112 is a wasteful number, since it uses less digits than its factorization.

124221243220112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3327287 (or 3327281 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 29.

Adding to 124221243220112 its reverse (211022342122421), we get a palindrome (335243585342533).

The spelling of 124221243220112 in words is "one hundred twenty-four trillion, two hundred twenty-one billion, two hundred forty-three million, two hundred twenty thousand, one hundred twelve".