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122120122012 = 22721104756401
BaseRepresentation
bin111000110111011101…
…1010010111010011100
3102200012202112222010221
41301232323102322130
54000100222401022
6132033510011124
711552151624100
oct1615673227234
9380182488127
10122120122012
1147877697179
121b801946aa4
13b6924cc035
145ca6b4d900
15329b194cc7
hex1c6eed2e9c

122120122012 has 36 divisors (see below), whose sum is σ = 248628589104. Its totient is φ = 52331529600.

The previous prime is 122120122009. The next prime is 122120122027. The reversal of 122120122012 is 210221021221.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2137012 + ... + 2193412.

Almost surely, 2122120122012 is an apocalyptic number.

It is an amenable number.

122120122012 is an abundant number, since it is smaller than the sum of its proper divisors (126508467092).

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

122120122012 is a wasteful number, since it uses less digits than its factorization.

122120122012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67466 (or 67457 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 122120122012 its reverse (210221021221), we get a palindrome (332341143233).

The spelling of 122120122012 in words is "one hundred twenty-two billion, one hundred twenty million, one hundred twenty-two thousand, twelve".

Divisors: 1 2 4 7 14 28 49 98 196 11047 22094 44188 56401 77329 112802 154658 225604 309316 394807 541303 789614 1082606 1579228 2165212 2763649 5527298 11054596 623061847 1246123694 2492247388 4361432929 8722865858 17445731716 30530030503 61060061006 122120122012