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1010122012220 = 225121434159277
BaseRepresentation
bin11101011001011111111…
…01101011011000111100
310120120022010202220220112
432230233331223120330
5113022212213342340
62052013232205152
7132656523302516
oct16545775533074
93516263686815
101010122012220
1135a4325a6552
121439279997b8
137433c335a99
1436c6688abb6
151b4201c6065
hexeb2ff6b63c

1010122012220 has 24 divisors (see below), whose sum is σ = 2121431425344. Its totient is φ = 404015433536.

The previous prime is 1010122012199. The next prime is 1010122012253. The reversal of 1010122012220 is 222102210101.

It is a junction number, because it is equal to n+sod(n) for n = 1010122012195 and 1010122012204.

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, 1836779 + ... + 2322498.

It is an arithmetic number, because the mean of its divisors is an integer number (88392976056).

Almost surely, 21010122012220 is an apocalyptic number.

1010122012220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1010122012220 is an abundant number, since it is smaller than the sum of its proper divisors (1111309413124).

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

1010122012220 is a wasteful number, since it uses less digits than its factorization.

1010122012220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4171429 (or 4171427 counting only the distinct ones).

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

Adding to 1010122012220 its reverse (222102210101), we get a palindrome (1232224222321).

The spelling of 1010122012220 in words is "one trillion, ten billion, one hundred twenty-two million, twelve thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 12143 24286 48572 60715 121430 242860 4159277 8318554 16637108 20796385 41592770 83185540 50506100611 101012201222 202024402444 252530503055 505061006110 1010122012220