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122022212012221 = 3114553127047161
BaseRepresentation
bin11011101111101010000010…
…100110100000100010111101
3121000001012122202110000110211
4123233222002212200202331
5111443202442233342341
61111304121430232421
734462546110525313
oct3357520246404275
9530035582400424
10122022212012221
1135975369628594
121182887bab5711
135311850714a31
14221bc998cc0b3
15e19127690181
hex6efa829a08bd

122022212012221 has 8 divisors (see below), whose sum is σ = 125959282565888. Its totient is φ = 118085195844000.

The previous prime is 122022212012201. The next prime is 122022212012231. The reversal of 122022212012221 is 122210212220221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122022212012221 - 215 = 122022211979453 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122022212012192 and 122022212012201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122022212012201) 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, 9012120 + ... + 18035041.

It is an arithmetic number, because the mean of its divisors is an integer number (15744910320736).

Almost surely, 2122022212012221 is an apocalyptic number.

It is an amenable number.

122022212012221 is a deficient number, since it is larger than the sum of its proper divisors (3937070553667).

122022212012221 is a wasteful number, since it uses less digits than its factorization.

122022212012221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27192723.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 122022212012221 its reverse (122210212220221), we get a palindrome (244232424232442).

The spelling of 122022212012221 in words is "one hundred twenty-two trillion, twenty-two billion, two hundred twelve million, twelve thousand, two hundred twenty-one".

Divisors: 1 31 145531 4511461 27047161 838461991 3936200387491 122022212012221