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12310311203210 = 2517311923216927
BaseRepresentation
bin1011001100100011011110…
…1110011111000110001010
31121120212001202100112012202
42303020313232133012022
53103143004132000320
642103140124040202
72410250662506656
oct263106756370612
947525052315182
1012310311203210
113a16856821749
1214699a2393062
136b3b1b829b67
14307b72331a66
15165345960b75
hexb3237b9f18a

12310311203210 has 32 divisors (see below), whose sum is σ = 23469528176640. Its totient is φ = 4632984017152.

The previous prime is 12310311203207. The next prime is 12310311203213. The reversal of 12310311203210 is 1230211301321.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12310311203207) and next prime (12310311203213).

It is not an unprimeable number, because it can be changed into a prime (12310311203213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11078234 + ... + 12138693.

It is an arithmetic number, because the mean of its divisors is an integer number (733422755520).

Almost surely, 212310311203210 is an apocalyptic number.

12310311203210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12310311203210 is a deficient number, since it is larger than the sum of its proper divisors (11159216973430).

12310311203210 is a wasteful number, since it uses less digits than its factorization.

12310311203210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23220070.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 12310311203210 its reverse (1230211301321), we get a palindrome (13540522504531).

The spelling of 12310311203210 in words is "twelve trillion, three hundred ten billion, three hundred eleven million, two hundred three thousand, two hundred ten".

Divisors: 1 2 5 10 17 34 85 170 3119 6238 15595 31190 53023 106046 265115 530230 23216927 46433854 116084635 232169270 394687759 789375518 1973438795 3946877590 72413595313 144827190626 362067976565 724135953130 1231031120321 2462062240642 6155155601605 12310311203210