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12310331112121 = 72699651581597
BaseRepresentation
bin1011001100100011100011…
…1010011011101010111001
31121120212010010211000002211
42303020320322123222321
53103143024231041441
642103142114455121
72410251323646310
oct263107072335271
947525103730084
1012310331112121
113a16866a8a599
1214699a8b944a1
136b3b229aa993
14307b74c35277
15165347594a81
hexb3238e9bab9

12310331112121 has 8 divisors (see below), whose sum is σ = 14074162516800. Its totient is φ = 10547802876048.

The previous prime is 12310331112113. The next prime is 12310331112127. The reversal of 12310331112121 is 12121113301321.

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 12310331112121 - 23 = 12310331112113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12310331112092 and 12310331112101.

It is not an unprimeable number, because it can be changed into a prime (12310331112127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 325771906 + ... + 325809691.

It is an arithmetic number, because the mean of its divisors is an integer number (1759270314600).

Almost surely, 212310331112121 is an apocalyptic number.

It is an amenable number.

12310331112121 is a deficient number, since it is larger than the sum of its proper divisors (1763831404679).

12310331112121 is an equidigital number, since it uses as much as digits as its factorization.

12310331112121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651584303.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 12310331112121 its reverse (12121113301321), we get a palindrome (24431444413442).

The spelling of 12310331112121 in words is "twelve trillion, three hundred ten billion, three hundred thirty-one million, one hundred twelve thousand, one hundred twenty-one".

Divisors: 1 7 2699 18893 651581597 4561071179 1758618730303 12310331112121