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2012221230 = 23567074041
BaseRepresentation
bin111011111110000…
…0000111100101110
312012020100102121020
41313330000330232
513110112034410
6531400515010
7100602412125
oct16774007456
95166312536
102012221230
11942934658
12481a7ba66
13260b65c66
1415135aabc
15bb9c8a70
hex77f00f2e

2012221230 has 16 divisors (see below), whose sum is σ = 4829331024. Its totient is φ = 536592320.

The previous prime is 2012221229. The next prime is 2012221259. The reversal of 2012221230 is 321222102.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33536991 + ... + 33537050.

It is an arithmetic number, because the mean of its divisors is an integer number (301833189).

Almost surely, 22012221230 is an apocalyptic number.

2012221230 is an abundant number, since it is smaller than the sum of its proper divisors (2817109794).

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

2012221230 is a wasteful number, since it uses less digits than its factorization.

2012221230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67074051.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2012221230 is about 44857.7889557655. The cubic root of 2012221230 is about 1262.4821378383.

Adding to 2012221230 its reverse (321222102), we get a palindrome (2333443332).

The spelling of 2012221230 in words is "two billion, twelve million, two hundred twenty-one thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 67074041 134148082 201222123 335370205 402444246 670740410 1006110615 2012221230