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121222123102223 = 11132361360125339
BaseRepresentation
bin11011100100000000111001…
…100101100010000000001111
3120220012201111012000011220022
4123210000321211202000033
5111342100402003232343
61105452401412212355
734351003134150413
oct3344007145420017
9526181435004808
10121222123102223
1135697017267460
12117197ab90a0bb
1352842742085c0
1421d1279820d43
15e033eb689568
hex6e403996200f

121222123102223 has 32 divisors (see below), whose sum is σ = 148849177720320. Its totient is φ = 97143306099840.

The previous prime is 121222123102187. The next prime is 121222123102277. The reversal of 121222123102223 is 322201321222121.

It is not a de Polignac number, because 121222123102223 - 26 = 121222123102159 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121222123102192 and 121222123102201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121222123132223) 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 31 ways as a sum of consecutive naturals, for example, 28046513 + ... + 32078826.

It is an arithmetic number, because the mean of its divisors is an integer number (4651536803760).

Almost surely, 2121222123102223 is an apocalyptic number.

121222123102223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

121222123102223 is a deficient number, since it is larger than the sum of its proper divisors (27627054618097).

121222123102223 is a wasteful number, since it uses less digits than its factorization.

121222123102223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60125999.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 121222123102223 its reverse (322201321222121), we get a palindrome (443423444324344).

The spelling of 121222123102223 in words is "one hundred twenty-one trillion, two hundred twenty-two billion, one hundred twenty-three million, one hundred two thousand, two hundred twenty-three".

Divisors: 1 11 13 23 143 253 299 613 3289 6743 7969 14099 87659 155089 183287 2016157 60125339 661378729 781629407 1382882797 8597923477 15211710767 17977476361 36856832807 197752239971 405425160877 479138826491 847707154561 5270527091401 9324778700171 11020193009293 121222123102223