12001189477032 has 192 divisors, whose sum is σ = 37535284725120. Its totient is φ = 3393037983744.

The previous prime is 12001189477027. The next prime is 12001189477049. The reversal of 12001189477032 is 23077498110021.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 405608943 + ... + 405638529.

It is an arithmetic number, because the mean of its divisors is an integer number (195496274610).

Almost surely, 2^{12001189477032} is an apocalyptic number.

12001189477032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12001189477032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18767642362560).

12001189477032 is an abundant number, since it is smaller than the sum of its proper divisors (25534095248088).

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

12001189477032 is a wasteful number, since it uses less digits than its factorization.

12001189477032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38000 (or 37993 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 45.

The spelling of 12001189477032 in words is "twelve trillion, one billion, one hundred eighty-nine million, four hundred seventy-seven thousand, thirty-two".