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121020101222012 = 22163185613652181
BaseRepresentation
bin11011100001000100110000…
…001001001101111001111100
3120212111102000221012100011122
4123201010300021031321330
5111330243131403101022
61105215511134210112
734330261632412046
oct3341046011157174
9525442027170148
10121020101222012
1135619378174783
12116a660b053938
13526b1ba050c05
1421c5592dcaa96
15ded02597e742
hex6e113024de7c

121020101222012 has 12 divisors (see below), whose sum is σ = 213084472704936. Its totient is φ = 60138823306320.

The previous prime is 121020101222003. The next prime is 121020101222087. The reversal of 121020101222012 is 210222101020121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92806825439 + ... + 92806826742.

It is an arithmetic number, because the mean of its divisors is an integer number (17757039392078).

Almost surely, 2121020101222012 is an apocalyptic number.

It is an amenable number.

121020101222012 is a deficient number, since it is larger than the sum of its proper divisors (92064371482924).

121020101222012 is a wasteful number, since it uses less digits than its factorization.

121020101222012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185613652348 (or 185613652346 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 121020101222012 its reverse (210222101020121), we get a palindrome (331242202242133).

The spelling of 121020101222012 in words is "one hundred twenty-one trillion, twenty billion, one hundred one million, two hundred twenty-two thousand, twelve".

Divisors: 1 2 4 163 326 652 185613652181 371227304362 742454608724 30255025305503 60510050611006 121020101222012