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120000102221220 = 223513153846284899
BaseRepresentation
bin11011010010001110110011…
…011101110100010110100100
3120201212220020110010102002120
4123102032303131310112210
5111212040202132034340
61103115141431505540
734163502254100204
oct3322166335642644
9521786213112076
10120000102221220
1135265837342561
12115609a75282b0
1351c5c6566a4c0
14218c07087c404
15dd17285e84d0
hex6d23b37745a4

120000102221220 has 48 divisors (see below), whose sum is σ = 361846462084800. Its totient is φ = 29538486700416.

The previous prime is 120000102221161. The next prime is 120000102221243. The reversal of 120000102221220 is 22122201000021.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 120000102221220.

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, 76923141670 + ... + 76923143229.

It is an arithmetic number, because the mean of its divisors is an integer number (7538467960100).

Almost surely, 2120000102221220 is an apocalyptic number.

120000102221220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120000102221220 is an abundant number, since it is smaller than the sum of its proper divisors (241846359863580).

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

120000102221220 is a wasteful number, since it uses less digits than its factorization.

120000102221220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153846284924 (or 153846284922 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 120000102221220 its reverse (22122201000021), we get a palindrome (142122303221241).

The spelling of 120000102221220 in words is "one hundred twenty trillion, one hundred two million, two hundred twenty-one thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 130 156 195 260 390 780 153846284899 307692569798 461538854697 615385139596 769231424495 923077709394 1538462848990 1846155418788 2000001703687 2307694273485 3076925697980 4000003407374 4615388546970 6000005111061 8000006814748 9230777093940 10000008518435 12000010222122 20000017036870 24000020444244 30000025555305 40000034073740 60000051110610 120000102221220