124355112012 has 18 divisors (see below), whose sum is σ = 314342088788. Its totient is φ = 41451703992.

The previous prime is 124355111999. The next prime is 124355112029. The reversal of 124355112012 is 210211553421.

It is a happy number.

124355112012 is a `hidden beast` number, since 12 + 435 + 5 + 11 + 201 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1727154298 + ... + 1727154369.

Almost surely, 2^124355112012 is an apocalyptic number.

124355112012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

124355112012 is an abundant number, since it is smaller than the sum of its proper divisors (189986976776).

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

124355112012 is a wasteful number, since it uses less digits than its factorization.

124355112012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3454308677 (or 3454308672 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

Adding to 124355112012 its reverse (210211553421), we get a palindrome (334566665433).

The spelling of 124355112012 in words is "one hundred twenty-four billion, three hundred fifty-five million, one hundred twelve thousand, twelve".