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122021110012 = 2289569602383
BaseRepresentation
bin111000110100100000…
…1100110000011111100
3102122221212020122012211
41301221001212003330
53444344401010022
6132020011510204
711546540215264
oct1615101460374
9378855218184
10122021110012
114782680aa7a
121b794758364
13b677b43159
145c979387a4
153292637e77
hex1c690660fc

122021110012 has 24 divisors (see below), whose sum is σ = 216316094400. Its totient is φ = 60218923776.

The previous prime is 122021109941. The next prime is 122021110031. The reversal of 122021110012 is 210011120221.

It is a junction number, because it is equal to n+sod(n) for n = 122021109974 and 122021110001.

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, 98628 + ... + 503755.

It is an arithmetic number, because the mean of its divisors is an integer number (9013170600).

Almost surely, 2122021110012 is an apocalyptic number.

It is an amenable number.

122021110012 is a deficient number, since it is larger than the sum of its proper divisors (94294984388).

122021110012 is a wasteful number, since it uses less digits than its factorization.

122021110012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603045 (or 603043 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 122021110012 its reverse (210011120221), we get a palindrome (332032230233).

The spelling of 122021110012 in words is "one hundred twenty-two billion, twenty-one million, one hundred ten thousand, twelve".

Divisors: 1 2 4 89 178 356 569 1138 2276 50641 101282 202564 602383 1204766 2409532 53612087 107224174 214448348 342755927 685511854 1371023708 30505277503 61010555006 122021110012