Search a number
-
+
20120110010012 = 2231185918828547
BaseRepresentation
bin1001001001100100101000…
…00000101000111010011100
32122020110112001122012112002
410210302110000220322130
510114121441130310022
6110443015000301432
74144426040200115
oct444622400507234
978213461565462
1020120110010012
116457988630321
12230b4b4171878
13b2c41a207b8c
144d7b6603d20c
1524d58481c092
hex124c94028e9c

20120110010012 has 24 divisors (see below), whose sum is σ = 35364531995520. Its totient is φ = 10016033330160.

The previous prime is 20120110009991. The next prime is 20120110010029. The reversal of 20120110010012 is 21001001102102.

It is a junction number, because it is equal to n+sod(n) for n = 20120110009975 and 20120110010002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8345678 + ... + 10482869.

It is an arithmetic number, because the mean of its divisors is an integer number (1473522166480).

Almost surely, 220120110010012 is an apocalyptic number.

It is an amenable number.

20120110010012 is a deficient number, since it is larger than the sum of its proper divisors (15244421985508).

20120110010012 is a wasteful number, since it uses less digits than its factorization.

20120110010012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18829721 (or 18829719 counting only the distinct ones).

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

Adding to 20120110010012 its reverse (21001001102102), we get a palindrome (41121111112114).

The spelling of 20120110010012 in words is "twenty trillion, one hundred twenty billion, one hundred ten million, ten thousand, twelve".

Divisors: 1 2 4 311 622 859 1244 1718 3436 267149 534298 1068596 18828547 37657094 75314188 5855678117 11711356234 16173721873 23422712468 32347443746 64694887492 5030027502503 10060055005006 20120110010012