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122102011012220 = 22516969335977327
BaseRepresentation
bin11011110000110100010110…
…111111100010010001111100
3121000022211122002100020022022
4123300310112333202101330
5112001004404304342340
61111404520043535312
734501402442036141
oct3360642677422174
9530284562306268
10122102011012220
11359a6199029368
121184023052a538
13531922a002325
142221aa9aa43c8
15e1b2481a83b5
hex6f0d16fe247c

122102011012220 has 24 divisors (see below), whose sum is σ = 256415741300544. Its totient is φ = 48840515228736.

The previous prime is 122102011012171. The next prime is 122102011012231. The reversal of 122102011012220 is 22210110201221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14594804 + ... + 21382523.

It is an arithmetic number, because the mean of its divisors is an integer number (10683989220856).

Almost surely, 2122102011012220 is an apocalyptic number.

122102011012220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122102011012220 is an abundant number, since it is smaller than the sum of its proper divisors (134313730288324).

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

122102011012220 is a wasteful number, since it uses less digits than its factorization.

122102011012220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36147029 (or 36147027 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 122102011012220 its reverse (22210110201221), we get a palindrome (144312121213441).

The spelling of 122102011012220 in words is "one hundred twenty-two trillion, one hundred two billion, eleven million, twelve thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 169693 339386 678772 848465 1696930 3393860 35977327 71954654 143909308 179886635 359773270 719546540 6105100550611 12210201101222 24420402202444 30525502753055 61051005506110 122102011012220