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212020121022120 = 233257923931192457
BaseRepresentation
bin110000001101010011000111…
…111111111010111010101000
31000210200220222202221222202100
4300031103013333322322220
5210242214201440201440
62030532410550533400
762441643151233225
oct6015230777727250
91023626882858670
10212020121022120
1161613256a66954
121b942b05667260
13913c54744a5c8
143a4db859cc94c
15197a1e3684230
hexc0d4c7ffaea8

212020121022120 has 192 divisors, whose sum is σ = 700707376512000. Its totient is φ = 55589448305664.

The previous prime is 212020121022071. The next prime is 212020121022137. The reversal of 212020121022120 is 21220121020212.

It is a happy number.

212020121022120 is a `hidden beast` number, since 2 + 12 + 0 + 201 + 210 + 221 + 20 = 666.

It is a super-2 number, since 2×2120201210221202 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 212020121022093 and 212020121022102.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8799069 + ... + 22393388.

It is an arithmetic number, because the mean of its divisors is an integer number (3649517586000).

Almost surely, 2212020121022120 is an apocalyptic number.

212020121022120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212020121022120 is an abundant number, since it is smaller than the sum of its proper divisors (488687255489880).

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

212020121022120 is a wasteful number, since it uses less digits than its factorization.

212020121022120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31192792 (or 31192785 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 212020121022120 its reverse (21220121020212), we get a palindrome (233240242042332).

The spelling of 212020121022120 in words is "two hundred twelve trillion, twenty billion, one hundred twenty-one million, twenty-two thousand, one hundred twenty".