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1220022212110 = 2513123715115021
BaseRepresentation
bin10001110000001110111…
…111011001011000001110
311022122002110000212111221
4101300032333121120032
5124442101141241420
62332245342033554
7154100200461202
oct21601677313016
94278073025457
101220022212110
11430454807429
12178546b788ba
138b08076b8b0
1443099752b02
1521b07892caa
hex11c0efd960e

1220022212110 has 64 divisors (see below), whose sum is σ = 2368916129664. Its totient is φ = 449718105600.

The previous prime is 1220022212107. The next prime is 1220022212119. The reversal of 1220022212110 is 112122200221.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220022212119) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 242981400 + ... + 242986420.

It is an arithmetic number, because the mean of its divisors is an integer number (37014314526).

Almost surely, 21220022212110 is an apocalyptic number.

1220022212110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220022212110 is a deficient number, since it is larger than the sum of its proper divisors (1148893917554).

1220022212110 is a wasteful number, since it uses less digits than its factorization.

1220022212110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7789.

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

Adding to 1220022212110 its reverse (112122200221), we get a palindrome (1332144412331).

The spelling of 1220022212110 in words is "one trillion, two hundred twenty billion, twenty-two million, two hundred twelve thousand, one hundred ten".

Divisors: 1 2 5 10 13 26 65 130 1237 1511 2474 3022 5021 6185 7555 10042 12370 15110 16081 19643 25105 32162 39286 50210 65273 80405 98215 130546 160810 196430 326365 652730 1869107 3738214 6210977 7586731 9345535 12421954 15173462 18691070 24298391 31054885 37933655 48596782 62109770 75867310 80742701 98627503 121491955 161485402 197255006 242983910 403713505 493137515 807427010 986275030 9384786247 18769572494 46923931235 93847862470 122002221211 244004442422 610011106055 1220022212110