124161612072 has 32 divisors (see below), whose sum is σ = 326741085600. Its totient is φ = 39208929984.

The previous prime is 124161612061. The next prime is 124161612109. The reversal of 124161612072 is 270216161421.

It is a super-2 number, since 2×124161612072² (a number of 23 digits) contains 22 as substring.

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, 136141663 + ... + 136142574.

It is an arithmetic number, because the mean of its divisors is an integer number (10210658925).

Almost surely, 2^124161612072 is an apocalyptic number.

124161612072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

124161612072 is an abundant number, since it is smaller than the sum of its proper divisors (202579473528).

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

124161612072 is a wasteful number, since it uses less digits than its factorization.

124161612072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272284265 (or 272284261 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

Adding to 124161612072 its reverse (270216161421), we get a palindrome (394377773493).

The spelling of 124161612072 in words is "one hundred twenty-four billion, one hundred sixty-one million, six hundred twelve thousand, seventy-two".