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122020010200 = 2352111913921001
BaseRepresentation
bin111000110100011110…
…1011001100011011000
3102122221210011202120001
41301220331121203120
53444344110311300
6132015532142344
711546524654654
oct1615075314330
9378853152501
10122020010200
1147826129740
121b7943079b4
13b67784968a
145c9772da64
1532924bc16a
hex1c68f598d8

122020010200 has 192 divisors, whose sum is σ = 328135248000. Its totient is φ = 41731200000.

The previous prime is 122020010171. The next prime is 122020010221. The reversal of 122020010200 is 2010020221.

It is a super-3 number, since 3×1220200102003 (a number of 34 digits) contains 333 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5799700 + ... + 5820700.

It is an arithmetic number, because the mean of its divisors is an integer number (1709037750).

Almost surely, 2122020010200 is an apocalyptic number.

122020010200 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 122020010200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164067624000).

122020010200 is an abundant number, since it is smaller than the sum of its proper divisors (206115237800).

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

122020010200 is a wasteful number, since it uses less digits than its factorization.

122020010200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21186 (or 21177 counting only the distinct ones).

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

Adding to 122020010200 its reverse (2010020221), we get a palindrome (124030030421).

The spelling of 122020010200 in words is "one hundred twenty-two billion, twenty million, ten thousand, two hundred".