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200112112122 = 231322389229421
BaseRepresentation
bin1011101001011110011…
…1001000000111111010
3201010112011020120102020
42322113213020013322
511234312200041442
6231532533015310
720312651613336
oct2722747100772
9633464216366
10200112112122
117795a08574a
1232949184536
1315b41613a00
149984d467c6
15531321c9ec
hex2e979c81fa

200112112122 has 192 divisors, whose sum is σ = 460390521600. Its totient is φ = 57842104320.

The previous prime is 200112112117. The next prime is 200112112159. The reversal of 200112112122 is 221211211002.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 475325472 + ... + 475325892.

It is an arithmetic number, because the mean of its divisors is an integer number (2397867300).

Almost surely, 2200112112122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200112112122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (230195260800).

200112112122 is an abundant number, since it is smaller than the sum of its proper divisors (260278409478).

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

200112112122 is a wasteful number, since it uses less digits than its factorization.

200112112122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793 (or 780 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 200112112122 its reverse (221211211002), we get a palindrome (421323323124).

The spelling of 200112112122 in words is "two hundred billion, one hundred twelve million, one hundred twelve thousand, one hundred twenty-two".