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122022121101220 = 22543141886187327
BaseRepresentation
bin11011101111101001111101…
…001011101101011110100100
3121000001012102102101021000201
4123233221331023231132210
5111443202301000214340
61111304104421520244
734462543625016544
oct3357517513553644
9530035372337021
10122022121101220
113597532228482a
1211828855573084
135311837934242
14221bc8b7c5324
15e1911e6d379a
hex6efa7d2ed7a4

122022121101220 has 24 divisors (see below), whose sum is σ = 262205674182144. Its totient is φ = 47673758941536.

The previous prime is 122022121101131. The next prime is 122022121101227. The reversal of 122022121101220 is 22101121220221.

It is not an unprimeable number, because it can be changed into a prime (122022121101227) 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, 70943092804 + ... + 70943094523.

It is an arithmetic number, because the mean of its divisors is an integer number (10925236424256).

Almost surely, 2122022121101220 is an apocalyptic number.

122022121101220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122022121101220 is an abundant number, since it is smaller than the sum of its proper divisors (140183553080924).

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

122022121101220 is a wasteful number, since it uses less digits than its factorization.

122022121101220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141886187379 (or 141886187377 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 122022121101220 its reverse (22101121220221), we get a palindrome (144123242321441).

The spelling of 122022121101220 in words is "one hundred twenty-two trillion, twenty-two billion, one hundred twenty-one million, one hundred one thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 43 86 172 215 430 860 141886187327 283772374654 567544749308 709430936635 1418861873270 2837723746540 6101106055061 12202212110122 24404424220244 30505530275305 61011060550610 122022121101220