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2212020211200 = 29352531086881
BaseRepresentation
bin100000001100000110101…
…011011100111000000000
321211110121111021112100220
4200030012223130320000
5242220204133224300
64412104341543040
7315545631364422
oct40140653347000
97743544245326
102212020211200
11783126818628
122b8855114a80
13130791c73647
14790c3130812
153c816865da0
hex20306adce00

2212020211200 has 240 divisors, whose sum is σ = 7445150395056. Its totient is φ = 578741862400.

The previous prime is 2212020211171. The next prime is 2212020211213. The reversal of 2212020211200 is 21120202122.

It is a tau number, because it is divible by the number of its divisors (240).

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

It is a self number, because there is not a number n which added to its sum of digits gives 2212020211200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1491760 + ... + 2578640.

Almost surely, 22212020211200 is an apocalyptic number.

2212020211200 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 2212020211200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3722575197528).

2212020211200 is an abundant number, since it is smaller than the sum of its proper divisors (5233130183856).

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

2212020211200 is a wasteful number, since it uses less digits than its factorization.

2212020211200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1086965 (or 1086944 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2212020211200 its reverse (21120202122), we get a palindrome (2233140413322).

The spelling of 2212020211200 in words is "two trillion, two hundred twelve billion, twenty million, two hundred eleven thousand, two hundred".