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122002222221200 = 245223353362310369
BaseRepresentation
bin11011101111010111011011…
…000111100000011110010000
3120222222022001122010102022102
4123233113123013200132100
5111442341022342034300
61111251014103455532
734461240541231226
oct3357273307403620
9528868048112272
10122002222221200
1135967940941742
1211824a214575a8
13530c9b61a2b19
14221ad20b02b16
15e1885778e0d5
hex6ef5db1e0790

122002222221200 has 240 divisors, whose sum is σ = 306834957377280. Its totient is φ = 46529540259840.

The previous prime is 122002222221167. The next prime is 122002222221239. The reversal of 122002222221200 is 2122222200221.

It is a super-2 number, since 2×1220022222212002 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 11766049616 + ... + 11766059984.

It is an arithmetic number, because the mean of its divisors is an integer number (1278478989072).

Almost surely, 2122002222221200 is an apocalyptic number.

122002222221200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122002222221200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153417478688640).

122002222221200 is an abundant number, since it is smaller than the sum of its proper divisors (184832735156080).

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

122002222221200 is a wasteful number, since it uses less digits than its factorization.

122002222221200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14386 (or 14375 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 122002222221200 its reverse (2122222200221), we get a palindrome (124124444421421).

The spelling of 122002222221200 in words is "one hundred twenty-two trillion, two billion, two hundred twenty-two million, two hundred twenty-one thousand, two hundred".