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121004322200 = 235283179193211
BaseRepresentation
bin111000010110001101…
…0110110110110011000
3102120022222222110112222
41300230122312312120
53440304101302300
6131331050323212
711512412524316
oct1605432666630
9376288873488
10121004322200
1147354870273
121b550129508
13b5452a8968
145bdc89b0b6
15323323c785
hex1c2c6b6d98

121004322200 has 192 divisors, whose sum is σ = 289162742400. Its totient is φ = 47080857600.

The previous prime is 121004322191. The next prime is 121004322233. The reversal of 121004322200 is 2223400121.

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, 573480095 + ... + 573480305.

It is an arithmetic number, because the mean of its divisors is an integer number (1506055950).

Almost surely, 2121004322200 is an apocalyptic number.

121004322200 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 121004322200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144581371200).

121004322200 is an abundant number, since it is smaller than the sum of its proper divisors (168158420200).

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

121004322200 is a wasteful number, since it uses less digits than its factorization.

121004322200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682 (or 673 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 121004322200 its reverse (2223400121), we get a palindrome (123227722321).

The spelling of 121004322200 in words is "one hundred twenty-one billion, four million, three hundred twenty-two thousand, two hundred".