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212002202124 = 223317678572011
BaseRepresentation
bin1100010101110001010…
…0001110001000001100
3202021012210112201121000
43011130110032020030
511433140030431444
6241220434540300
721213416661636
oct3053424161014
9667183481530
10212002202124
1181a00797309
1235107137690
1316cb7a7511b
14a392113a56
1557abecc469
hex315c50e20c

212002202124 has 192 divisors, whose sum is σ = 591636165120. Its totient is φ = 65408808960.

The previous prime is 212002202119. The next prime is 212002202129. The reversal of 212002202124 is 421202200212.

212002202124 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 (212002202119) and next prime (212002202129).

It is a super-2 number, since 2×2120022021242 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 212002202097 and 212002202106.

It is not an unprimeable number, because it can be changed into a prime (212002202129) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 105420279 + ... + 105422289.

It is an arithmetic number, because the mean of its divisors is an integer number (3081438360).

Almost surely, 2212002202124 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212002202124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (295818082560).

212002202124 is an abundant number, since it is smaller than the sum of its proper divisors (379633962996).

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

212002202124 is a wasteful number, since it uses less digits than its factorization.

212002202124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2965 (or 2957 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 212002202124 its reverse (421202200212), we get a palindrome (633204402336).

The spelling of 212002202124 in words is "two hundred twelve billion, two million, two hundred two thousand, one hundred twenty-four".