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1222020111202 = 211219713743269
BaseRepresentation
bin10001110010000110000…
…100110001101101100010
311022211020200102122211121
4101302012010301231202
5130010144122024302
62333215512002454
7154200540362662
oct21620604615542
94284220378747
101222020111202
1143128a549600
12178a0409042a
138b30b65b8c7
1443208c221a2
1521bc2e8ce37
hex11c86131b62

1222020111202 has 48 divisors (see below), whose sum is σ = 2150733211200. Its totient is φ = 518816944800.

The previous prime is 1222020111181. The next prime is 1222020111217. The reversal of 1222020111202 is 2021110202221.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1545177 + ... + 2198092.

It is an arithmetic number, because the mean of its divisors is an integer number (44806941900).

Almost surely, 21222020111202 is an apocalyptic number.

1222020111202 is a deficient number, since it is larger than the sum of its proper divisors (928713099998).

1222020111202 is a wasteful number, since it uses less digits than its factorization.

1222020111202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3743383 (or 3743372 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1222020111202 its reverse (2021110202221), we get a palindrome (3243130313423).

The spelling of 1222020111202 in words is "one trillion, two hundred twenty-two billion, twenty million, one hundred eleven thousand, two hundred two".

Divisors: 1 2 11 19 22 38 71 121 142 209 242 418 781 1349 1562 2299 2698 4598 8591 14839 17182 29678 163229 326458 3743269 7486538 41175959 71122111 82351918 142244222 265772099 452935549 531544198 782343221 905871098 1564686442 2923493089 5049669881 5846986178 8605775431 10099339762 17211550862 32158423979 55546368691 64316847958 111092737382 611010055601 1222020111202