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2201211012 = 22371113297189
BaseRepresentation
bin1000001100110011…
…1101000010000100
312200101222002211210
42003030331002010
514002002223022
61002231331420
7105355661550
oct20314750204
95611862753
102201211012
11a2a587460
12515220b70
13291066930
1416c4b4860
15cd3aaa0c
hex8333d084

2201211012 has 384 divisors, whose sum is σ = 7315660800. Its totient is φ = 496742400.

The previous prime is 2201211011. The next prime is 2201211029. The reversal of 2201211012 is 2101121022.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (2201211011) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 24732664 + ... + 24732752.

It is an arithmetic number, because the mean of its divisors is an integer number (19051200).

Almost surely, 22201211012 is an apocalyptic number.

2201211012 is a gapful number since it is divisible by the number (22) 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 2201211012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3657830400).

2201211012 is an abundant number, since it is smaller than the sum of its proper divisors (5114449788).

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

2201211012 is a wasteful number, since it uses less digits than its factorization.

2201211012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227 (or 225 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 2201211012 is about 46917.0652534875. The cubic root of 2201211012 is about 1300.8300442666.

Adding to 2201211012 its reverse (2101121022), we get a palindrome (4302332034).

The spelling of 2201211012 in words is "two billion, two hundred one million, two hundred eleven thousand, twelve".