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201222130103220 = 223510979473054521
BaseRepresentation
bin101101110000001010101101…
…100101011111001110110100
3222101110122111020000220002110
4231300022231211133032310
5202333310410301300340
61551544100451011020
760245550652640112
oct5560125545371664
9871418436026073
10201222130103220
115912a90a658546
121a69a244299a70
13883821c64c305
1437992bb2b8ab2
15183e3b1a07680
hexb702ad95f3b4

201222130103220 has 48 divisors (see below), whose sum is σ = 563422661903808. Its totient is φ = 53659168254720.

The previous prime is 201222130103201. The next prime is 201222130103221. The reversal of 201222130103220 is 22301031222102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201222130103221) 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, 64349560 + ... + 67404080.

It is an arithmetic number, because the mean of its divisors is an integer number (11737972122996).

Almost surely, 2201222130103220 is an apocalyptic number.

201222130103220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201222130103220 is an abundant number, since it is smaller than the sum of its proper divisors (362200531800588).

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

201222130103220 is a wasteful number, since it uses less digits than its factorization.

201222130103220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4152480 (or 4152478 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 201222130103220 its reverse (22301031222102), we get a palindrome (223523161325322).

The spelling of 201222130103220 in words is "two hundred one trillion, two hundred twenty-two billion, one hundred thirty million, one hundred three thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 1097947 2195894 3054521 3293841 4391788 5489735 6109042 6587682 9163563 10979470 12218084 13175364 15272605 16469205 18327126 21958940 30545210 32938410 36654252 45817815 61090420 65876820 91635630 183271260 3353702168387 6707404336774 10061106505161 13414808673548 16768510841935 20122213010322 33537021683870 40244426020644 50305532525805 67074043367740 100611065051610 201222130103220