3600018209412 has 180 divisors, whose sum is σ = 9854017352256. Its totient is φ = 1145978396640.

The previous prime is 3600018209407. The next prime is 3600018209471. The reversal of 3600018209412 is 2149028100063.

3600018209412 is a `hidden beast` number, since 3 + 60 + 0 + 0 + 182 + 0 + 9 + 412 = 666.

It is a super-2 number, since 2×3600018209412² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 108134233 + ... + 108167519.

Almost surely, 2^{3600018209412} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3600018209412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4927008676128).

3600018209412 is an abundant number, since it is smaller than the sum of its proper divisors (6253999142844).

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

3600018209412 is a wasteful number, since it uses less digits than its factorization.

3600018209412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33980 (or 33946 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The spelling of 3600018209412 in words is "three trillion, six hundred billion, eighteen million, two hundred nine thousand, four hundred twelve".