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122210220221012 = 227112749144338461
BaseRepresentation
bin11011110010011001001000…
…110000111010001001010100
3121000201011221101001120222002
4123302121020300322021110
5112004243012334033022
61111530333342454432
734512253120115030
oct3362311060721124
9530634841046862
10122210220221012
1135a38077334540
12118591ab594418
1353264b34b4861
1422270130cb1c0
15e1de7ce66092
hex6f2648c3a254

122210220221012 has 48 divisors (see below), whose sum is σ = 266737477776000. Its totient is φ = 47597050569600.

The previous prime is 122210220220997. The next prime is 122210220221021. The reversal of 122210220221012 is 210122022012221.

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, 71322539 + ... + 73015922.

It is an arithmetic number, because the mean of its divisors is an integer number (5557030787000).

Almost surely, 2122210220221012 is an apocalyptic number.

It is an amenable number.

122210220221012 is an abundant number, since it is smaller than the sum of its proper divisors (144527257554988).

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

122210220221012 is a wasteful number, since it uses less digits than its factorization.

122210220221012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144341232 (or 144341230 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 122210220221012 its reverse (210122022012221), we get a palindrome (332332242233233).

The spelling of 122210220221012 in words is "one hundred twenty-two trillion, two hundred ten billion, two hundred twenty million, two hundred twenty-one thousand, twelve".

Divisors: 1 2 4 7 11 14 22 28 44 77 154 308 2749 5498 10996 19243 30239 38486 60478 76972 120956 211673 423346 846692 144338461 288676922 577353844 1010369227 1587723071 2020738454 3175446142 4041476908 6350892284 11114061497 22228122994 44456245988 396786429289 793572858578 1587145717156 2777505005023 4364650722179 5555010010046 8729301444358 11110020020092 17458602888716 30552555055253 61105110110506 122210220221012