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121201112202 = 2323878268929
BaseRepresentation
bin111000011100000100…
…1100011010010001010
3102120211201021102200120
41300320021203102022
53441204441042302
6131402400244110
711520322312152
oct1607011432212
9376751242616
10121201112202
1147445960535
121b5a6010636
13b576caab51
145c1aa85762
1532456609bc
hex1c3826348a

121201112202 has 16 divisors (see below), whose sum is σ = 252941451840. Its totient is φ = 38643832832.

The previous prime is 121201112177. The next prime is 121201112209. The reversal of 121201112202 is 202211102121.

121201112202 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (121201112209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 439134327 + ... + 439134602.

It is an arithmetic number, because the mean of its divisors is an integer number (15808840740).

Almost surely, 2121201112202 is an apocalyptic number.

121201112202 is an abundant number, since it is smaller than the sum of its proper divisors (131740339638).

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

121201112202 is a wasteful number, since it uses less digits than its factorization.

121201112202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 878268957.

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

Adding to 121201112202 its reverse (202211102121), we get a palindrome (323412214323).

The spelling of 121201112202 in words is "one hundred twenty-one billion, two hundred one million, one hundred twelve thousand, two hundred two".

Divisors: 1 2 3 6 23 46 69 138 878268929 1756537858 2634806787 5269613574 20200185367 40400370734 60600556101 121201112202