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1222020201010 = 257421238317401
BaseRepresentation
bin10001110010000110000…
…101000111101000110010
311022211020200121020000211
4101302012011013220302
5130010144132413020
62333215513534334
7154200541215550
oct21620605075062
94284220536024
101222020201010
1143128a600024
12178a041143aa
138b30b69074b
1443208c46bd0
1521bc2ea985a
hex11c86147a32

1222020201010 has 64 divisors (see below), whose sum is σ = 2521043610624. Its totient is φ = 417783744000.

The previous prime is 1222020200987. The next prime is 1222020201019. The reversal of 1222020201010 is 101020202221.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1222020201019) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 70218310 + ... + 70235710.

It is an arithmetic number, because the mean of its divisors is an integer number (39391306416).

Almost surely, 21222020201010 is an apocalyptic number.

1222020201010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1222020201010 is an abundant number, since it is smaller than the sum of its proper divisors (1299023409614).

1222020201010 is a wasteful number, since it uses less digits than its factorization.

1222020201010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20219.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1222020201010 its reverse (101020202221), we get a palindrome (1323040403231).

The spelling of 1222020201010 in words is "one trillion, two hundred twenty-two billion, twenty million, two hundred one thousand, ten".

Divisors: 1 2 5 7 10 14 35 70 421 842 2105 2383 2947 4210 4766 5894 11915 14735 16681 17401 23830 29470 33362 34802 83405 87005 121807 166810 174010 243614 609035 1003243 1218070 2006486 5016215 7022701 7325821 10032430 14045402 14651642 35113505 36629105 41466583 51280747 70227010 73258210 82933166 102561494 207332915 256403735 290266081 414665830 512807470 580532162 1451330405 2902660810 17457431443 34914862886 87287157215 122202020101 174574314430 244404040202 611010100505 1222020201010