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213120211200000 = 211355132929443
BaseRepresentation
bin110000011101010011101010…
…011110111010100000000000
31000221121002111221201021021120
4300131103222132322200000
5210413230143031400000
62033134023505152240
762614266336404106
oct6035235236724000
91027532457637246
10213120211200000
11619a785720a915
121baa015b62b680
1391bc1c3b0a770
143a8b10504bc76
151998b2bee96a0
hexc1d4ea7ba800

213120211200000 has 1152 divisors, whose sum is σ = 791210853014400. Its totient is φ = 50649661440000.

The previous prime is 213120211199923. The next prime is 213120211200097. The reversal of 213120211200000 is 2112021312.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7238385279 + ... + 7238414721.

It is an arithmetic number, because the mean of its divisors is an integer number (686814976575).

Almost surely, 2213120211200000 is an apocalyptic number.

213120211200000 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 213120211200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (395605426507200).

213120211200000 is an abundant number, since it is smaller than the sum of its proper divisors (578090641814400).

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

213120211200000 is an equidigital number, since it uses as much as digits as its factorization.

213120211200000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29535 (or 29495 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 213120211200000 its reverse (2112021312), we get a palindrome (213122323221312).

The spelling of 213120211200000 in words is "two hundred thirteen trillion, one hundred twenty billion, two hundred eleven million, two hundred thousand".