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122001201220120 = 2353050030030503
BaseRepresentation
bin11011101111010110011110…
…010000101100101000011000
3120222222012102110221012010121
4123233112132100230220120
5111442331430003020440
61111250324512123024
734461203332661545
oct3357263620545030
9528865373835117
10122001201220120
11359674675844a2
1211824797536474
13530c8827c1981
14221ac65289bcc
15e187e7d1034a
hex6ef59e42ca18

122001201220120 has 16 divisors (see below), whose sum is σ = 274502702745360. Its totient is φ = 48800480488032.

The previous prime is 122001201220117. The next prime is 122001201220121. The reversal of 122001201220120 is 21022102100221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 122001201220094 and 122001201220103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122001201220121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1525015015212 + ... + 1525015015291.

It is an arithmetic number, because the mean of its divisors is an integer number (17156418921585).

Almost surely, 2122001201220120 is an apocalyptic number.

122001201220120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122001201220120 is an abundant number, since it is smaller than the sum of its proper divisors (152501501525240).

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

122001201220120 is a wasteful number, since it uses less digits than its factorization.

122001201220120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3050030030514 (or 3050030030510 counting only the distinct ones).

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

Adding to 122001201220120 its reverse (21022102100221), we get a palindrome (143023303320341).

The spelling of 122001201220120 in words is "one hundred twenty-two trillion, one billion, two hundred one million, two hundred twenty thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 3050030030503 6100060061006 12200120122012 15250150152515 24400240244024 30500300305030 61000600610060 122001201220120