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12121333020230 = 2572216111447207
BaseRepresentation
bin1011000001100011011110…
…1111111011011001000110
31120220210021112120011021112
42300120313233323121012
53042043442223121410
641440244041445022
72360510634453200
oct260306757733106
946823245504245
1012121333020230
1139536a053a835
121439241aa0772
1369c062b03805
142dc965d9d770
15160484e3a105
hexb0637bfb646

12121333020230 has 48 divisors (see below), whose sum is σ = 25392334152096. Its totient is φ = 4153962113280.

The previous prime is 12121333020221. The next prime is 12121333020263. The reversal of 12121333020230 is 3202033312121.

It is a junction number, because it is equal to n+sod(n) for n = 12121333020196 and 12121333020205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4664714 + ... + 6782493.

It is an arithmetic number, because the mean of its divisors is an integer number (529006961502).

Almost surely, 212121333020230 is an apocalyptic number.

12121333020230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12121333020230 is an abundant number, since it is smaller than the sum of its proper divisors (13271001131866).

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

12121333020230 is a wasteful number, since it uses less digits than its factorization.

12121333020230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11449389 (or 11449382 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 12121333020230 its reverse (3202033312121), we get a palindrome (15323366332351).

The spelling of 12121333020230 in words is "twelve trillion, one hundred twenty-one billion, three hundred thirty-three million, twenty thousand, two hundred thirty".

Divisors: 1 2 5 7 10 14 35 49 70 98 245 490 2161 4322 10805 15127 21610 30254 75635 105889 151270 211778 529445 1058890 11447207 22894414 57236035 80130449 114472070 160260898 400652245 560913143 801304490 1121826286 2804565715 5609131430 24737414327 49474828654 123687071635 173161900289 247374143270 346323800578 865809501445 1212133302023 1731619002890 2424266604046 6060666510115 12121333020230