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13120343222212 = 2283179220777129
BaseRepresentation
bin1011111011101101000101…
…1001011010011111000100
31201110021220021111122010201
42332323101121122133010
53204430430331102322
643523222533300244
72522625223201552
oct276732131323704
951407807448121
1013120343222212
1141a934077a836
12157a988494684
13742320cc4945
14335056b92bd2
1517b454837d27
hexbeed165a7c4

13120343222212 has 24 divisors (see below), whose sum is σ = 23367051439200. Its totient is φ = 6444925920576.

The previous prime is 13120343222209. The next prime is 13120343222213. The reversal of 13120343222212 is 21222234302131.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (13120343222213) 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, 110329137 + ... + 110447992.

It is an arithmetic number, because the mean of its divisors is an integer number (973627143300).

Almost surely, 213120343222212 is an apocalyptic number.

It is an amenable number.

13120343222212 is a deficient number, since it is larger than the sum of its proper divisors (10246708216988).

13120343222212 is a wasteful number, since it uses less digits than its factorization.

13120343222212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220777395 (or 220777393 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 13120343222212 its reverse (21222234302131), we get a palindrome (34342577524343).

The spelling of 13120343222212 in words is "thirteen trillion, one hundred twenty billion, three hundred forty-three million, two hundred twenty-two thousand, two hundred twelve".

Divisors: 1 2 4 83 166 179 332 358 716 14857 29714 59428 220777129 441554258 883108516 18324501707 36649003414 39519106091 73298006828 79038212182 158076424364 3280085805553 6560171611106 13120343222212