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1010120212220 = 225710171437073
BaseRepresentation
bin11101011001011111101…
…10110011111011111100
310120120022000101110202212
432230233312303323330
5113022211233242340
62052013125435552
7132656502064640
oct16545766637374
93516260343685
101010120212220
1135a431587149
1214392726bbb8
137433bb556b2
1436c6653cc20
151b41ee6ca65
hexeb2fdb3efc

1010120212220 has 48 divisors (see below), whose sum is σ = 2448291400128. Its totient is φ = 342897945600.

The previous prime is 1010120212207. The next prime is 1010120212267. The reversal of 1010120212220 is 222120210101.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 1010120212195 and 1010120212204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35704397 + ... + 35732676.

It is an arithmetic number, because the mean of its divisors is an integer number (51006070836).

Almost surely, 21010120212220 is an apocalyptic number.

1010120212220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1010120212220 is an abundant number, since it is smaller than the sum of its proper divisors (1438171187908).

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

1010120212220 is a wasteful number, since it uses less digits than its factorization.

1010120212220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71437190 (or 71437188 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1010120212220 its reverse (222120210101), we get a palindrome (1232240422321).

The spelling of 1010120212220 in words is "one trillion, ten billion, one hundred twenty million, two hundred twelve thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 101 140 202 404 505 707 1010 1414 2020 2828 3535 7070 14140 71437073 142874146 285748292 357185365 500059511 714370730 1000119022 1428741460 2000238044 2500297555 5000595110 7215144373 10001190220 14430288746 28860577492 36075721865 50506010611 72151443730 101012021222 144302887460 202024042444 252530053055 505060106110 1010120212220