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1220122110010 = 25178021685381
BaseRepresentation
bin10001110000010100111…
…100011110100000111010
311022122100102000012200011
4101300110330132200322
5124442302230010020
62332303311132134
7154102522546546
oct21602474364072
94278312005604
101220122110010
114304a6139181
1217857451404a
138b098377a8b
14430a8b18a26
1521b1152735a
hex11c14f1e83a

1220122110010 has 16 divisors (see below), whose sum is σ = 2196235339272. Its totient is φ = 488045390400.

The previous prime is 1220122109981. The next prime is 1220122110019. The reversal of 1220122110010 is 100112210221.

It can be written as a sum of positive squares in 4 ways, for example, as 806391428049 + 413730681961 = 897993^2 + 643219^2 .

It is not an unprimeable number, because it can be changed into a prime (1220122110019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1437520 + ... + 2122900.

Almost surely, 21220122110010 is an apocalyptic number.

1220122110010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220122110010 is a deficient number, since it is larger than the sum of its proper divisors (976113229262).

1220122110010 is a wasteful number, since it uses less digits than its factorization.

1220122110010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 863409.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1220122110010 its reverse (100112210221), we get a palindrome (1320234320231).

The spelling of 1220122110010 in words is "one trillion, two hundred twenty billion, one hundred twenty-two million, one hundred ten thousand, ten".

Divisors: 1 2 5 10 178021 356042 685381 890105 1370762 1780210 3426905 6853810 122012211001 244024422002 610061055005 1220122110010