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12302212202231 = 719991299931123
BaseRepresentation
bin1011001100000101010011…
…1111001111111011110111
31121120002011022122122111112
42303001110333033323313
53103024412310432411
642055320330225235
72406543200235140
oct263012477177367
947502138578445
1012302212202231
113a13380085406
121468301b8521b
136b312a932ba3
14307604856ac7
1516501e90bb8b
hexb3054fcfef7

12302212202231 has 32 divisors (see below), whose sum is σ = 14820003840000. Its totient is φ = 9976037591520.

The previous prime is 12302212202221. The next prime is 12302212202263. The reversal of 12302212202231 is 13220221220321.

It is a happy number.

It is not a de Polignac number, because 12302212202231 - 238 = 12027334295287 is a prime.

It is a super-2 number, since 2×123022122022312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12302212202197 and 12302212202206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12302212202221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 395261636 + ... + 395292758.

It is an arithmetic number, because the mean of its divisors is an integer number (463125120000).

Almost surely, 212302212202231 is an apocalyptic number.

12302212202231 is a deficient number, since it is larger than the sum of its proper divisors (2517791637769).

12302212202231 is a wasteful number, since it uses less digits than its factorization.

12302212202231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35139.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 12302212202231 its reverse (13220221220321), we get a palindrome (25522433422552).

The spelling of 12302212202231 in words is "twelve trillion, three hundred two billion, two hundred twelve million, two hundred two thousand, two hundred thirty-one".

Divisors: 1 7 19 133 991 2999 6937 18829 20993 31123 56981 131803 217861 398867 591337 2972009 4139359 20804063 30842893 56468171 93337877 215900251 395277197 586014967 653365139 1773419663 4102104769 12413937641 92497836107 647484852749 1757458886033 12302212202231