12008663473040 has 160 divisors (see below), whose sum is σ = 30108833744640. Its totient is φ = 4427929110528.

The previous prime is 12008663473039. The next prime is 12008663473133. The reversal of 12008663473040 is 4037436680021.

It is a super-2 number, since 2×12008663473040² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12008663472982 and 12008663473000.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3862547006 + ... + 3862550114.

It is an arithmetic number, because the mean of its divisors is an integer number (188180210904).

Almost surely, 2^{12008663473040} is an apocalyptic number.

12008663473040 is a gapful number since it is divisible by the number (10) 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 12008663473040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15054416872320).

12008663473040 is an abundant number, since it is smaller than the sum of its proper divisors (18100170271600).

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

12008663473040 is a wasteful number, since it uses less digits than its factorization.

12008663473040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7001 (or 6995 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 44.

The spelling of 12008663473040 in words is "twelve trillion, eight billion, six hundred sixty-three million, four hundred seventy-three thousand, forty".