12132473850 has 288 divisors, whose sum is σ = 38331296640. Its totient is φ = 2694021120.

The previous prime is 12132473839. The next prime is 12132473867. The reversal of 12132473850 is 5837423121.

12132473850 is a `hidden beast` number, since 1 + 2 + 132 + 473 + 8 + 50 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 18027114 + ... + 18027786.

It is an arithmetic number, because the mean of its divisors is an integer number (133094780).

Almost surely, 2^12132473850 is an apocalyptic number.

12132473850 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 12132473850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19165648320).

12132473850 is an abundant number, since it is smaller than the sum of its proper divisors (26198822790).

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

12132473850 is a wasteful number, since it uses less digits than its factorization.

12132473850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 854 (or 846 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

Adding to 12132473850 its reverse (5837423121), we get a palindrome (17969896971).

The spelling of 12132473850 in words is "twelve billion, one hundred thirty-two million, four hundred seventy-three thousand, eight hundred fifty".