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12313101222001 = 38943973719833
BaseRepresentation
bin1011001100101101111000…
…0001100100000001110001
31121121010021012021011111001
42303023132001210001301
53103214212403101001
642104321031522001
72410410061334356
oct263133601440161
947533235234431
1012313101222001
113a17a587020a8
12146a440829301
136b4174870c58
14307d58ab862d
1516545a878001
hexb32de064071

12313101222001 has 8 divisors (see below), whose sum is σ = 12345052323240. Its totient is φ = 12281151649152.

The previous prime is 12313101221999. The next prime is 12313101222013. The reversal of 12313101222001 is 10022210131321.

It can be written as a sum of positive squares in 4 ways, for example, as 3988727952400 + 8324373269601 = 1997180^2 + 2885199^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12313101222001 - 21 = 12313101221999 is a prime.

It is a super-2 number, since 2×123131012220012 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12313101222001.

It is not an unprimeable number, because it can be changed into a prime (12313101222061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16745581 + ... + 17465413.

It is an arithmetic number, because the mean of its divisors is an integer number (1543131540405).

Almost surely, 212313101222001 is an apocalyptic number.

It is an amenable number.

12313101222001 is a deficient number, since it is larger than the sum of its proper divisors (31951101239).

12313101222001 is an equidigital number, since it uses as much as digits as its factorization.

12313101222001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764195.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 12313101222001 its reverse (10022210131321), we get a palindrome (22335311353322).

The spelling of 12313101222001 in words is "twelve trillion, three hundred thirteen billion, one hundred one million, two hundred twenty-two thousand, one".

Divisors: 1 389 43973 719833 17105497 280015037 31653216509 12313101222001