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212120002002 = 2361718162857
BaseRepresentation
bin1100010110001101010…
…1100101110111010010
3202021112000012120122110
43011203111211313102
511433410210031002
6241240243450150
721216350160546
oct3054325456722
9667460176573
10212120002002
1181a61236087
123513a686956
13170062ab7ac
14a3a3a19a26
1557b74eae6c
hex3163565dd2

212120002002 has 32 divisors (see below), whose sum is σ = 437267977344. Its totient is φ = 68567990400.

The previous prime is 212120001997. The next prime is 212120002007. The reversal of 212120002002 is 200200021212.

212120002002 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (212120001997) and next prime (212120002007).

It is not an unprimeable number, because it can be changed into a prime (212120002007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4055443 + ... + 4107414.

It is an arithmetic number, because the mean of its divisors is an integer number (13664624292).

Almost surely, 2212120002002 is an apocalyptic number.

212120002002 is an abundant number, since it is smaller than the sum of its proper divisors (225147975342).

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

212120002002 is a wasteful number, since it uses less digits than its factorization.

212120002002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8162994.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 212120002002 its reverse (200200021212), we get a palindrome (412320023214).

The spelling of 212120002002 in words is "two hundred twelve billion, one hundred twenty million, two thousand, two".

Divisors: 1 2 3 6 61 71 122 142 183 213 366 426 4331 8662 12993 25986 8162857 16325714 24488571 48977142 497934277 579562847 995868554 1159125694 1493802831 1738688541 2987605662 3477377082 35353333667 70706667334 106060001001 212120002002