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10122220122 = 237613393157
BaseRepresentation
bin10010110110101010…
…01101001001011010
3222010102202001121120
421123111031021122
5131212242020442
64352230150110
7505560310560
oct113325151132
928112661546
1010122220122
114324802883
121b65ab2336
13c54110a81
146c0499a30
153e39a14ec
hex25b54d25a

10122220122 has 32 divisors (see below), whose sum is σ = 23174305152. Its totient is φ = 2887337664.

The previous prime is 10122220109. The next prime is 10122220123. The reversal of 10122220122 is 22102222101.

10122220122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (10122220123) 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 15 ways as a sum of consecutive naturals, for example, 170833 + ... + 222324.

It is an arithmetic number, because the mean of its divisors is an integer number (724197036).

Almost surely, 210122220122 is an apocalyptic number.

10122220122 is an abundant number, since it is smaller than the sum of its proper divisors (13052085030).

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

10122220122 is a wasteful number, since it uses less digits than its factorization.

10122220122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393782.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 10122220122 its reverse (22102222101), we get a palindrome (32224442223).

The spelling of 10122220122 in words is "ten billion, one hundred twenty-two million, two hundred twenty thousand, one hundred twenty-two".

Divisors: 1 2 3 6 7 14 21 42 613 1226 1839 3678 4291 8582 12873 25746 393157 786314 1179471 2358942 2752099 5504198 8256297 16512594 241005241 482010482 723015723 1446031446 1687036687 3374073374 5061110061 10122220122