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1201130002220 = 225229839312581
BaseRepresentation
bin10001011110101000111…
…011010101011100101100
311020211022211000011121112
4101132220323111130230
5124134403240032340
62315442544251152
7152531056364111
oct21365073253454
94224284004545
101201130002220
1142343a633525
12174954010ab8
138935c741685
14421c6636908
152139deeb065
hex117a8ed572c

1201130002220 has 48 divisors (see below), whose sum is σ = 2536415380800. Its totient is φ = 477782280960.

The previous prime is 1201130002213. The next prime is 1201130002277. The reversal of 1201130002220 is 222000311021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1201130002195 and 1201130002204.

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, 3686330 + ... + 3998910.

It is an arithmetic number, because the mean of its divisors is an integer number (52841987100).

Almost surely, 21201130002220 is an apocalyptic number.

1201130002220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1201130002220 is an abundant number, since it is smaller than the sum of its proper divisors (1335285378580).

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

1201130002220 is a wasteful number, since it uses less digits than its factorization.

1201130002220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313658 (or 313656 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 1201130002220 its reverse (222000311021), we get a palindrome (1423130313241).

The spelling of 1201130002220 in words is "one trillion, two hundred one billion, one hundred thirty million, two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 229 458 839 916 1145 1678 2290 3356 4195 4580 8390 16780 192131 312581 384262 625162 768524 960655 1250324 1562905 1921310 3125810 3842620 6251620 71581049 143162098 262255459 286324196 357905245 524510918 715810490 1049021836 1311277295 1431620980 2622554590 5245109180 60056500111 120113000222 240226000444 300282500555 600565001110 1201130002220