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12311323112001 = 312732313184021
BaseRepresentation
bin1011001100100111010000…
…0010100111001001000001
31121120221200021102211010010
42303021310002213021001
53103202042204041001
642103424352455133
72410315030550244
oct263116402471101
947527607384103
1012311323112001
113a17225a39801
12146a02524a4a9
136b3c50376664
14307c2a89d25b
151653a46e58d6
hexb32740a7241

12311323112001 has 8 divisors (see below), whose sum is σ = 16544350219264. Its totient is φ = 8142922373040.

The previous prime is 12311323111981. The next prime is 12311323112021. The reversal of 12311323112001 is 10021132311321.

It is an interprime number because it is at equal distance from previous prime (12311323111981) and next prime (12311323112021).

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

It is not a de Polignac number, because 12311323112001 - 213 = 12311323103809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12311323112021) 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, 16156591630 + ... + 16156592391.

It is an arithmetic number, because the mean of its divisors is an integer number (2068043777408).

Almost surely, 212311323112001 is an apocalyptic number.

It is an amenable number.

12311323112001 is a deficient number, since it is larger than the sum of its proper divisors (4233027107263).

12311323112001 is a wasteful number, since it uses less digits than its factorization.

12311323112001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32313184151.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 12311323112001 its reverse (10021132311321), we get a palindrome (22332455423322).

The spelling of 12311323112001 in words is "twelve trillion, three hundred eleven billion, three hundred twenty-three million, one hundred twelve thousand, one".

Divisors: 1 3 127 381 32313184021 96939552063 4103774370667 12311323112001