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122002012000 = 25531125710789
BaseRepresentation
bin111000110011111100…
…0101111011101100000
3102122220112022100200001
41301213320233131200
53444330003341000
6132014050305344
711546215664041
oct1614770573540
9378815270601
10122002012000
1147816a563a0
121b78a288254
13b673bb745b
145c951a68c8
153290b1446a
hex1c67e2f760

122002012000 has 192 divisors, whose sum is σ = 328312595520. Its totient is φ = 44187648000.

The previous prime is 122002011979. The next prime is 122002012001. The reversal of 122002012000 is 210200221.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122002012001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11302606 + ... + 11313394.

It is an arithmetic number, because the mean of its divisors is an integer number (1709961435).

Almost surely, 2122002012000 is an apocalyptic number.

122002012000 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 122002012000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164156297760).

122002012000 is an abundant number, since it is smaller than the sum of its proper divisors (206310583520).

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

122002012000 is a wasteful number, since it uses less digits than its factorization.

122002012000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11082 (or 11064 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 122002012000 its reverse (210200221), we get a palindrome (122212212221).

The spelling of 122002012000 in words is "one hundred twenty-two billion, two million, twelve thousand".