Search a number
-
+
20001212110010 = 2513879914410199
BaseRepresentation
bin1001000110000111001010…
…01001001001010010111010
32121211002121212021002000002
410203003211021021102322
510110144440300010020
6110312232513513002
74133016452545205
oct443034511112272
977732555232002
1020001212110010
11641151489524a
1222b0451572762
13b2114c4582b1
144d20c722093c
1524a4264b4975
hex1230e52494ba

20001212110010 has 16 divisors (see below), whose sum is σ = 36002443680000. Its totient is φ = 8000426648016.

The previous prime is 20001212109979. The next prime is 20001212110013. The reversal of 20001212110010 is 1001121210002.

It is a super-2 number, since 2×200012121100102 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20001212109973 and 20001212110000.

It is not an unprimeable number, because it can be changed into a prime (20001212110013) 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 7 ways as a sum of consecutive naturals, for example, 5817110 + ... + 8593089.

It is an arithmetic number, because the mean of its divisors is an integer number (2250152730000).

Almost surely, 220001212110010 is an apocalyptic number.

20001212110010 is a deficient number, since it is larger than the sum of its proper divisors (16001231569990).

20001212110010 is a wasteful number, since it uses less digits than its factorization.

20001212110010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14549005.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 20001212110010 its reverse (1001121210002), we get a palindrome (21002333320012).

The spelling of 20001212110010 in words is "twenty trillion, one billion, two hundred twelve million, one hundred ten thousand, ten".

Divisors: 1 2 5 10 138799 277598 693995 1387990 14410199 28820398 72050995 144101990 2000121211001 4000242422002 10000606055005 20001212110010