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120012010220 = 22529732834483
BaseRepresentation
bin110111111000101000…
…1011111001011101100
3102110202211202210102102
41233301101133023230
53431241033311340
6131044401514232
711446003153424
oct1576121371354
9373684683372
10120012010220
1146995718623
121b313942978
13b417830bcb
145b46b91484
1531c6079215
hex1bf145f2ec

120012010220 has 48 divisors (see below), whose sum is σ = 264287288160. Its totient is φ = 45714525696.

The previous prime is 120012010207. The next prime is 120012010231. The reversal of 120012010220 is 22010210021.

It is a happy 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, 1374902 + ... + 1459581.

It is an arithmetic number, because the mean of its divisors is an integer number (5505985170).

Almost surely, 2120012010220 is an apocalyptic number.

120012010220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120012010220 is an abundant number, since it is smaller than the sum of its proper divisors (144275277940).

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

120012010220 is a wasteful number, since it uses less digits than its factorization.

120012010220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2834594 (or 2834592 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 120012010220 its reverse (22010210021), we get a palindrome (142022220241).

The spelling of 120012010220 in words is "one hundred twenty billion, twelve million, ten thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 29 58 73 116 145 146 290 292 365 580 730 1460 2117 4234 8468 10585 21170 42340 2834483 5668966 11337932 14172415 28344830 56689660 82200007 164400014 206917259 328800028 411000035 413834518 822000070 827669036 1034586295 1644000140 2069172590 4138345180 6000600511 12001201022 24002402044 30003002555 60006005110 120012010220