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121010001222 = 231117107852051
BaseRepresentation
bin111000010110011000…
…0100001010101000110
3102120100101122222201010
41300230300201111012
53440312030014342
6131331412143050
711512512016245
oct1605460412506
9376311588633
10121010001222
1147357a99a80
121b552007a86
13b546516826
145bdd53895c
1532339b029c
hex1c2cc21546

121010001222 has 32 divisors (see below), whose sum is σ = 279552518784. Its totient is φ = 34512656000.

The previous prime is 121010001197. The next prime is 121010001247. The reversal of 121010001222 is 222100010121.

121010001222 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (121010001197) and next prime (121010001247).

It is a junction number, because it is equal to n+sod(n) for n = 121010001198 and 121010001207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53924904 + ... + 53927147.

It is an arithmetic number, because the mean of its divisors is an integer number (8736016212).

Almost surely, 2121010001222 is an apocalyptic number.

121010001222 is an abundant number, since it is smaller than the sum of its proper divisors (158542517562).

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

121010001222 is a wasteful number, since it uses less digits than its factorization.

121010001222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107852084.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 121010001222 its reverse (222100010121), we get a palindrome (343110011343).

The spelling of 121010001222 in words is "one hundred twenty-one billion, ten million, one thousand, two hundred twenty-two".

Divisors: 1 2 3 6 11 17 22 33 34 51 66 102 187 374 561 1122 107852051 215704102 323556153 647112306 1186372561 1833484867 2372745122 3559117683 3666969734 5500454601 7118235366 11000909202 20168333537 40336667074 60505000611 121010001222