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13112301222012 = 22319145339580243
BaseRepresentation
bin1011111011001111001000…
…0011100111100001111100
31201102112010211001200210110
42332303302003213201330
53204312443103101022
643515412533310020
72522222022263046
oct276636203474174
951375124050713
1013112301222012
1141a5994225a83
121579303195310
1374163bb67745
143348d2ab4a96
1517b1337e300c
hexbecf20e787c

13112301222012 has 48 divisors (see below), whose sum is σ = 32227817874560. Its totient is φ = 4137876819648.

The previous prime is 13112301221969. The next prime is 13112301222023. The reversal of 13112301222012 is 21022210321131.

It is a self number, because there is not a number n which added to its sum of digits gives 13112301222012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19458838 + ... + 20121405.

Almost surely, 213112301222012 is an apocalyptic number.

13112301222012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13112301222012 is an abundant number, since it is smaller than the sum of its proper divisors (19115516652548).

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

13112301222012 is a wasteful number, since it uses less digits than its factorization.

13112301222012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39581722 (or 39581720 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 13112301222012 its reverse (21022210321131), we get a palindrome (34134511543143).

The spelling of 13112301222012 in words is "thirteen trillion, one hundred twelve billion, three hundred one million, two hundred twenty-two thousand, twelve".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 228 1453 2906 4359 5812 8718 17436 27607 55214 82821 110428 165642 331284 39580243 79160486 118740729 158320972 237481458 474962916 752024617 1504049234 2256073851 3008098468 4512147702 9024295404 57510093079 115020186158 172530279237 230040372316 345060558474 690121116948 1092691768501 2185383537002 3278075305503 4370767074004 6556150611006 13112301222012