12071506050 has 72 divisors (see below), whose sum is σ = 32469992100. Its totient is φ = 3215308800.

The previous prime is 12071506021. The next prime is 12071506061. The reversal of 12071506050 is 5060517021.

12071506050 is a `hidden beast` number, since 1 + 2 + 0 + 7 + 1 + 50 + 605 + 0 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 735006321 + 11336499729 = 27111^2 + 106473^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 381226 + ... + 411674.

Almost surely, 2^12071506050 is an apocalyptic number.

12071506050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12071506050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16234996050).

12071506050 is an abundant number, since it is smaller than the sum of its proper divisors (20398486050).

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

12071506050 is a wasteful number, since it uses less digits than its factorization.

12071506050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31348 (or 31340 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 27.

The spelling of 12071506050 in words is "twelve billion, seventy-one million, five hundred six thousand, fifty".