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121202002022 = 21910131579469
BaseRepresentation
bin111000011100000110…
…0111100100001100110
3102120211202221122021212
41300320030330201212
53441210203031042
6131402431311422
711520333006323
oct1607014744146
9376752848255
10121202002022
1147446409022
121b5a637b572
13b57722cb7a
145c1ac37b4a
153245789482
hex1c3833c866

121202002022 has 16 divisors (see below), whose sum is σ = 193266356400. Its totient is φ = 56843042400.

The previous prime is 121202001989. The next prime is 121202002067. The reversal of 121202002022 is 220200202121.

It is a junction number, because it is equal to n+sod(n) for n = 121202001988 and 121202002006.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15785897 + ... + 15793572.

It is an arithmetic number, because the mean of its divisors is an integer number (12079147275).

Almost surely, 2121202002022 is an apocalyptic number.

121202002022 is a deficient number, since it is larger than the sum of its proper divisors (72064354378).

121202002022 is a wasteful number, since it uses less digits than its factorization.

121202002022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31579591.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 121202002022 its reverse (220200202121), we get a palindrome (341402204143).

The spelling of 121202002022 in words is "one hundred twenty-one billion, two hundred two million, two thousand, twenty-two".

Divisors: 1 2 19 38 101 202 1919 3838 31579469 63158938 600009911 1200019822 3189526369 6379052738 60601001011 121202002022