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2012221122 = 23335370187
BaseRepresentation
bin111011111110000…
…0000111011000010
312012020100102110020
41313330000323002
513110112033442
6531400514310
7100602411612
oct16774007302
95166312406
102012221122
1194293456a
12481a7b996
13260b65bb2
1415135aa42
15bb9c89ec
hex77f00ec2

2012221122 has 8 divisors (see below), whose sum is σ = 4024442256. Its totient is φ = 670740372.

The previous prime is 2012221121. The next prime is 2012221151. The reversal of 2012221122 is 2211222102.

It is a sphenic number, since it is the product of 3 distinct primes.

2012221122 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (2012221121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167685088 + ... + 167685099.

It is an arithmetic number, because the mean of its divisors is an integer number (503055282).

Almost surely, 22012221122 is an apocalyptic number.

2012221122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2012221122 is a wasteful number, since it uses less digits than its factorization.

2012221122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335370192.

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

The square root of 2012221122 is about 44857.7877519612. The cubic root of 2012221122 is about 1262.4821152517.

Adding to 2012221122 its reverse (2211222102), we get a palindrome (4223443224).

The spelling of 2012221122 in words is "two billion, twelve million, two hundred twenty-one thousand, one hundred twenty-two".

Divisors: 1 2 3 6 335370187 670740374 1006110561 2012221122