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12212120201012 = 227143000423243
BaseRepresentation
bin1011000110110101101100…
…0101100010011100110100
31121020110121122122210102122
42301231123011202130310
53100040410232413022
641550100502055112
72400203502662354
oct261553305423464
947213548583378
1012212120201012
113989149536456
12145295a41a498
136a77a0a3ab24
143030d964ab64
151629ea45a742
hexb1b5b162734

12212120201012 has 12 divisors (see below), whose sum is σ = 21672213314976. Its totient is φ = 6020059253880.

The previous prime is 12212120201003. The next prime is 12212120201143. The reversal of 12212120201012 is 21010202121221.

12212120201012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 21500211338 + ... + 21500211905.

It is an arithmetic number, because the mean of its divisors is an integer number (1806017776248).

Almost surely, 212212120201012 is an apocalyptic number.

It is an amenable number.

12212120201012 is a deficient number, since it is larger than the sum of its proper divisors (9460093113964).

12212120201012 is a wasteful number, since it uses less digits than its factorization.

12212120201012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43000423318 (or 43000423316 counting only the distinct ones).

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

Adding to 12212120201012 its reverse (21010202121221), we get a palindrome (33222322322233).

The spelling of 12212120201012 in words is "twelve trillion, two hundred twelve billion, one hundred twenty million, two hundred one thousand, twelve".

Divisors: 1 2 4 71 142 284 43000423243 86000846486 172001692972 3053030050253 6106060100506 12212120201012