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12022021122210 = 232511291973136791
BaseRepresentation
bin1010111011110001100001…
…0011000110100010100010
31120120021221022201000111100
42232330120103012202202
53033432044401402320
641322501255055230
72350363614323001
oct256743023064242
946507838630440
1012022021122210
113915568567960
121421b46671516
13692896a28a08
142d7c2449ac38
1515cac1322790
hexaef184c68a2

12022021122210 has 384 divisors, whose sum is σ = 35572212149760. Its totient is φ = 2790292377600.

The previous prime is 12022021122203. The next prime is 12022021122247. The reversal of 12022021122210 is 1222112022021.

It is a happy number.

12022021122210 is a `hidden beast` number, since 1 + 2 + 0 + 220 + 211 + 22 + 210 = 666.

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1770283915 + ... + 1770290705.

It is an arithmetic number, because the mean of its divisors is an integer number (92635969140).

Almost surely, 212022021122210 is an apocalyptic number.

12022021122210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12022021122210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17786106074880).

12022021122210 is an abundant number, since it is smaller than the sum of its proper divisors (23550191027550).

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

12022021122210 is a wasteful number, since it uses less digits than its factorization.

12022021122210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7354 (or 7351 counting only the distinct ones).

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

Adding to 12022021122210 its reverse (1222112022021), we get a palindrome (13244133144231).

The spelling of 12022021122210 in words is "twelve trillion, twenty-two billion, twenty-one million, one hundred twenty-two thousand, two hundred ten".