2061218988000 has 480 divisors, whose sum is σ = 7632446421600. Its totient is φ = 544784486400.

The previous prime is 2061218987999. The next prime is 2061218988061. The reversal of 2061218988000 is 8898121602.

It is a happy number.

2061218988000 is a `hidden beast` number, since 20 + 612 + 1 + 8 + 9 + 8 + 8 + 0 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 36583851 + ... + 36640149.

It is an arithmetic number, because the mean of its divisors is an integer number (15900930045).

Almost surely, 2^{2061218988000} is an apocalyptic number.

2061218988000 is a gapful number since it is divisible by the number (20) 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 2061218988000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3816223210800).

2061218988000 is an abundant number, since it is smaller than the sum of its proper divisors (5571227433600).

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

2061218988000 is a wasteful number, since it uses less digits than its factorization.

2061218988000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56449 (or 56422 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 45.

The spelling of 2061218988000 in words is "two trillion, sixty-one billion, two hundred eighteen million, nine hundred eighty-eight thousand".