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122000120221220 = 2256100006011061
BaseRepresentation
bin11011101111010101011101…
…110101000000111000100100
3120222222002122010211202102022
4123233111131311000320210
5111442322221234034340
61111250025334402312
734461134465434343
oct3357253565007044
9528862563752368
10122000120221220
1135966a62367a7a
1211824535500398
13530c73c864857
14221aba1895b5a
15e18782e7e3b5
hex6ef55dd40e24

122000120221220 has 12 divisors (see below), whose sum is σ = 256200252464604. Its totient is φ = 48800048088480.

The previous prime is 122000120221163. The next prime is 122000120221249. The reversal of 122000120221220 is 22122021000221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 70661777475136 + 51338342746084 = 8406056^2 + 7165078^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3050003005511 + ... + 3050003005550.

It is an arithmetic number, because the mean of its divisors is an integer number (21350021038717).

Almost surely, 2122000120221220 is an apocalyptic number.

122000120221220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122000120221220 is an abundant number, since it is smaller than the sum of its proper divisors (134200132243384).

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

122000120221220 is a wasteful number, since it uses less digits than its factorization.

122000120221220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6100006011070 (or 6100006011068 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 122000120221220 its reverse (22122021000221), we get a palindrome (144122141221441).

The spelling of 122000120221220 in words is "one hundred twenty-two trillion, one hundred twenty million, two hundred twenty-one thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 6100006011061 12200012022122 24400024044244 30500030055305 61000060110610 122000120221220