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122221001220122 = 2738258922818407
BaseRepresentation
bin11011110010100011001011…
…010111001010000000011010
3121000202012202201102002110102
4123302203023113022000122
5112004432102303020442
61111535315225015402
734513114230105230
oct3362431327120032
9530665681362412
10122221001220122
1135a416a9991762
121185b2ba024562
135327510c3147c
142227756c70950
15e1e3ae696232
hex6f28cb5ca01a

122221001220122 has 16 divisors (see below), whose sum is σ = 209522273201280. Its totient is φ = 52380289888368.

The previous prime is 122221001220067. The next prime is 122221001220163. The reversal of 122221001220122 is 221022100122221.

It is a junction number, because it is equal to n+sod(n) for n = 122221001220094 and 122221001220103.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6052958 + ... + 16765449.

It is an arithmetic number, because the mean of its divisors is an integer number (13095142075080).

Almost surely, 2122221001220122 is an apocalyptic number.

122221001220122 is a deficient number, since it is larger than the sum of its proper divisors (87301271981158).

122221001220122 is a wasteful number, since it uses less digits than its factorization.

122221001220122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23201005.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 122221001220122 its reverse (221022100122221), we get a palindrome (343243101342343).

The spelling of 122221001220122 in words is "one hundred twenty-two trillion, two hundred twenty-one billion, one million, two hundred twenty thousand, one hundred twenty-two".

Divisors: 1 2 7 14 382589 765178 2678123 5356246 22818407 45636814 159728849 319457698 8730071515723 17460143031446 61110500610061 122221001220122