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122120101021212 = 22327484603575481
BaseRepresentation
bin11011110001000101001101…
…001111011100011000011100
3121000101120022210212220110100
4123301011031033130120130
5112001303431330134322
61111421111103341100
734502612642422140
oct3361051517343034
9530346283786410
10122120101021212
1135a029313a8918
121184383a8b1790
13531ab50a88968
142222904441220
15e1b9563e0dac
hex6f114d3dc61c

122120101021212 has 36 divisors (see below), whose sum is σ = 352791402950896. Its totient is φ = 34891457434560.

The previous prime is 122120101021187. The next prime is 122120101021231. The reversal of 122120101021212 is 212120101021221.

122120101021212 is a `hidden beast` number, since 1 + 221 + 201 + 0 + 10 + 21 + 212 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 242301787489 + ... + 242301787992.

Almost surely, 2122120101021212 is an apocalyptic number.

122120101021212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122120101021212 is an abundant number, since it is smaller than the sum of its proper divisors (230671301929684).

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

122120101021212 is a wasteful number, since it uses less digits than its factorization.

122120101021212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484603575498 (or 484603575493 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 122120101021212 its reverse (212120101021221), we get a palindrome (334240202042433).

Subtracting 122120101021212 from its reverse (212120101021221), we obtain a palindrome (90000000000009).

The spelling of 122120101021212 in words is "one hundred twenty-two trillion, one hundred twenty billion, one hundred one million, twenty-one thousand, two hundred twelve".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 84 126 252 484603575481 969207150962 1453810726443 1938414301924 2907621452886 3392225028367 4361432179329 5815242905772 6784450056734 8722864358658 10176675085101 13568900113468 17445728717316 20353350170202 30530025255303 40706700340404 61060050510606 122120101021212