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120212212112 = 2445785919139
BaseRepresentation
bin110111111110100110…
…1001100100110010000
3102111021210111002210022
41233331031030212100
53432143311241422
6131120312523012
711453653641416
oct1577515144620
9374253432708
10120212212112
1146a88729233
121b36a9b0468
13b44a159075
145b655c72b6
1531d8923342
hex1bfd34c990

120212212112 has 40 divisors (see below), whose sum is σ = 233704759200. Its totient is φ = 59901633792.

The previous prime is 120212212111. The next prime is 120212212117. The reversal of 120212212112 is 211212212021.

It is not an unprimeable number, because it can be changed into a prime (120212212111) 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, 6271439 + ... + 6290577.

It is an arithmetic number, because the mean of its divisors is an integer number (5842618980).

Almost surely, 2120212212112 is an apocalyptic number.

It is an amenable number.

120212212112 is a deficient number, since it is larger than the sum of its proper divisors (113492547088).

120212212112 is a wasteful number, since it uses less digits than its factorization.

120212212112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20463 (or 20457 counting only the distinct ones).

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

Adding to 120212212112 its reverse (211212212021), we get a palindrome (331424424133).

Subtracting 120212212112 from its reverse (211212212021), we obtain a palindrome (90999999909).

The spelling of 120212212112 in words is "one hundred twenty billion, two hundred twelve million, two hundred twelve thousand, one hundred twelve".

Divisors: 1 2 4 8 16 457 859 914 1718 1828 3436 3656 6872 7312 13744 19139 38278 76556 153112 306224 392563 785126 1570252 3140504 6281008 8746523 16440401 17493046 32880802 34986092 65761604 69972184 131523208 139944368 263046416 7513263257 15026526514 30053053028 60106106056 120212212112