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12310212120211 = 314757011482023
BaseRepresentation
bin1011001100100011000111…
…0100100000111010010011
31121120211210211220120220001
42303020301310200322103
53103142303300321321
642103122224230431
72410245350354155
oct263106164407223
947524724816801
1012310212120211
113a168058a7175
12146997516b417
136b3b04147875
14307b630dcad5
1516533bddcc91
hexb3231d20e93

12310212120211 has 16 divisors (see below), whose sum is σ = 12979969302528. Its totient is φ = 11657585052000.

The previous prime is 12310212120139. The next prime is 12310212120221. The reversal of 12310212120211 is 11202121201321.

It is a cyclic number.

It is not a de Polignac number, because 12310212120211 - 211 = 12310212118163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12310212120221) 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, 7565346 + ... + 9047368.

It is an arithmetic number, because the mean of its divisors is an integer number (811248081408).

Almost surely, 212310212120211 is an apocalyptic number.

12310212120211 is a deficient number, since it is larger than the sum of its proper divisors (669757182317).

12310212120211 is a wasteful number, since it uses less digits than its factorization.

12310212120211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1487802.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 12310212120211 its reverse (11202121201321), we get a palindrome (23512333321532).

The spelling of 12310212120211 in words is "twelve trillion, three hundred ten billion, two hundred twelve million, one hundred twenty thousand, two hundred eleven".

Divisors: 1 31 47 1457 5701 176731 267947 1482023 8306357 45942713 69655081 2159307511 8449013123 261919406813 397103616781 12310212120211