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201212212102 = 21152119319091
BaseRepresentation
bin1011101101100100101…
…1101011001110000110
3201020100211021102212221
42323121023223032012
511244040311241402
6232234032002554
720352140404036
oct2733113531606
9636324242787
10201212212102
1178374059090
1232bb569045a
1315c884cb045
149a4b0ad8c6
155379ac3337
hex2ed92eb386

201212212102 has 32 divisors (see below), whose sum is σ = 330095461248. Its totient is φ = 91227240000.

The previous prime is 201212212063. The next prime is 201212212121.

It is a happy number.

201212212102 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22128577 + ... + 22137667.

It is an arithmetic number, because the mean of its divisors is an integer number (10315483164).

Almost surely, 2201212212102 is an apocalyptic number.

201212212102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

201212212102 is a deficient number, since it is larger than the sum of its proper divisors (128883249146).

201212212102 is a wasteful number, since it uses less digits than its factorization.

201212212102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11556.

The product of its (nonzero) digits is 64, while the sum is 16.

It can be divided in two parts, 201212 and 212102, that added together give a palindrome (413314).

The spelling of 201212212102 in words is "two hundred one billion, two hundred twelve million, two hundred twelve thousand, one hundred two".

Divisors: 1 2 11 22 521 1042 1931 3862 5731 9091 11462 18182 21241 42482 100001 200002 1006051 2012102 4736411 9472822 11066561 17554721 22133122 35109442 52100521 104201042 193101931 386203862 9146009641 18292019282 100606106051 201212212102