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12310343112012 = 22311234139837751
BaseRepresentation
bin1011001100100011100110…
…1000001101010101001100
31121120212010222101122212020
42303020321220031111030
53103143040314041022
642103143224010140
72410251530645361
oct263107150152514
947525128348766
1012310343112012
113a16872836260
1214699b1000950
136b3b2531c8ca
14307b7667a468
1516534866535c
hexb3239a0d54c

12310343112012 has 48 divisors (see below), whose sum is σ = 31348805101824. Its totient is φ = 3728813400000.

The previous prime is 12310343111999. The next prime is 12310343112103. The reversal of 12310343112012 is 21021134301321.

It is a super-2 number, since 2×123103431120122 (a number of 27 digits) contains 22 as substring.

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, 19609864 + ... + 20227887.

It is an arithmetic number, because the mean of its divisors is an integer number (653100106288).

Almost surely, 212310343112012 is an apocalyptic number.

12310343112012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12310343112012 is an abundant number, since it is smaller than the sum of its proper divisors (19038461989812).

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

12310343112012 is a wasteful number, since it uses less digits than its factorization.

12310343112012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39840110 (or 39840108 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 12310343112012 its reverse (21021134301321), we get a palindrome (33331477413333).

The spelling of 12310343112012 in words is "twelve trillion, three hundred ten billion, three hundred forty-three million, one hundred twelve thousand, twelve".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 2341 4682 7023 9364 14046 25751 28092 51502 77253 103004 154506 309012 39837751 79675502 119513253 159351004 239026506 438215261 478053012 876430522 1314645783 1752861044 2629291566 5258583132 93260175091 186520350182 279780525273 373040700364 559561050546 1025861926001 1119122101092 2051723852002 3077585778003 4103447704004 6155171556006 12310343112012