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12112310312101 = 229359147331991
BaseRepresentation
bin1011000001000001110111…
…1101000001110010100101
31120212220222201202002120101
42300100131331001302211
53041422002414441401
641432152445504101
72360041224633526
oct260203575016245
946786881662511
1012112310312101
11394a89044965a
121437544272031
1369b25573256c
142dc34b95684d
15160107c75101
hexb041df41ca5

12112310312101 has 8 divisors (see below), whose sum is σ = 12199088937600. Its totient is φ = 12025826351760.

The previous prime is 12112310312059. The next prime is 12112310312107. The reversal of 12112310312101 is 10121301321121.

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 12112310312101 - 231 = 12110162828453 is a prime.

It is a super-2 number, since 2×121123103121012 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12112310312107) 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, 73583785 + ... + 73748206.

It is an arithmetic number, because the mean of its divisors is an integer number (1524886117200).

Almost surely, 212112310312101 is an apocalyptic number.

It is an amenable number.

12112310312101 is a deficient number, since it is larger than the sum of its proper divisors (86778625499).

12112310312101 is a wasteful number, since it uses less digits than its factorization.

12112310312101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147332579.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 12112310312101 its reverse (10121301321121), we get a palindrome (22233611633222).

The spelling of 12112310312101 in words is "twelve trillion, one hundred twelve billion, three hundred ten million, three hundred twelve thousand, one hundred one".

Divisors: 1 229 359 82211 147331991 33739025939 52892184769 12112310312101