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212112131301 = 3378313521523
BaseRepresentation
bin1100010110001011011…
…1100100010011100101
3202021111110101201002000
43011202313210103211
511433401201200201
6241235403035513
721216223240110
oct3054267442345
9667443351060
10212112131301
1181a5784a774
1235137b0bb99
1317004784185
14a3a296b577
1557b6993d86
hex3162de44e5

212112131301 has 32 divisors (see below), whose sum is σ = 363458565120. Its totient is φ = 119746598832.

The previous prime is 212112131279. The next prime is 212112131323. The reversal of 212112131301 is 103131211212.

212112131301 is a `hidden beast` number, since 21 + 211 + 2 + 131 + 301 = 666.

212112131301 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (212112131279) and next prime (212112131323).

It is not a de Polignac number, because 212112131301 - 211 = 212112129253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212112131351) 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 31 ways as a sum of consecutive naturals, for example, 6745075 + ... + 6776448.

It is an arithmetic number, because the mean of its divisors is an integer number (11358080160).

Almost surely, 2212112131301 is an apocalyptic number.

212112131301 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

212112131301 is a deficient number, since it is larger than the sum of its proper divisors (151346433819).

212112131301 is a wasteful number, since it uses less digits than its factorization.

212112131301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13521622 (or 13521616 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 212112131301 its reverse (103131211212), we get a palindrome (315243342513).

It can be divided in two parts, 21211 and 2131301, that added together give a palindrome (2152512).

The spelling of 212112131301 in words is "two hundred twelve billion, one hundred twelve million, one hundred thirty-one thousand, three hundred one".

Divisors: 1 3 7 9 21 27 63 83 189 249 581 747 1743 2241 5229 15687 13521523 40564569 94650661 121693707 283951983 365081121 851855949 1122286409 2555567847 3366859227 7856004863 10100577681 23568014589 30301733043 70704043767 212112131301