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121012112222330 = 25717193526895599
BaseRepresentation
bin11011100000111101010011…
…111101100110100001111010
3120212110122102011111002212112
4123200331103331212201322
5111330130301212103310
61105212110310212322
734326556644135560
oct3340752375464172
9525418364432775
10121012112222330
1135615a4862aaaa
12116a4b5b6540a2
13526a515b8ca74
1421c5035d87a30
15decc09408705
hex6e0f53f6687a

121012112222330 has 64 divisors (see below), whose sum is σ = 264948398668800. Its totient is φ = 38846958649344.

The previous prime is 121012112222293. The next prime is 121012112222357. The reversal of 121012112222330 is 33222211210121.

It is a junction number, because it is equal to n+sod(n) for n = 121012112222296 and 121012112222305.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 263218130 + ... + 263677469.

It is an arithmetic number, because the mean of its divisors is an integer number (4139818729200).

Almost surely, 2121012112222330 is an apocalyptic number.

121012112222330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121012112222330 is an abundant number, since it is smaller than the sum of its proper divisors (143936286446470).

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

121012112222330 is a wasteful number, since it uses less digits than its factorization.

121012112222330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526895823.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 121012112222330 its reverse (33222211210121), we get a palindrome (154234323432451).

The spelling of 121012112222330 in words is "one hundred twenty-one trillion, twelve billion, one hundred twelve million, two hundred twenty-two thousand, three hundred thirty".

Divisors: 1 2 5 7 10 14 17 34 35 70 85 119 170 193 238 386 595 965 1190 1351 1930 2702 3281 6562 6755 13510 16405 22967 32810 45934 114835 229670 526895599 1053791198 2634477995 3688269193 5268955990 7376538386 8957225183 17914450366 18441345965 36882691930 44786125915 62700576281 89572251830 101690850607 125401152562 203381701214 313502881405 508454253035 627005762810 711835954249 1016908506070 1423671908498 1728744460319 3457488920638 3559179771245 7118359542490 8643722301595 12101211222233 17287444603190 24202422444466 60506056111165 121012112222330