Search a number
-
+
1203213231112 = 232356913198713
BaseRepresentation
bin10001100000100101000…
…110001110010000001000
311021000200222222011102011
4101200211012032100020
5124203140041343422
62320425403145304
7152633513500534
oct21404506162010
94230628864364
101203213231112
114243095571a2
12175235815234
13896022099a9
1442343198bc4
1521471d4e077
hex1182518e408

1203213231112 has 64 divisors (see below), whose sum is σ = 2360308896000. Its totient is φ = 573937081344.

The previous prime is 1203213231067. The next prime is 1203213231119. The reversal of 1203213231112 is 2111323123021.

It is not an unprimeable number, because it can be changed into a prime (1203213231119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138089668 + ... + 138098380.

It is an arithmetic number, because the mean of its divisors is an integer number (36879826500).

Almost surely, 21203213231112 is an apocalyptic number.

It is an amenable number.

1203213231112 is a deficient number, since it is larger than the sum of its proper divisors (1157095664888).

1203213231112 is a wasteful number, since it uses less digits than its factorization.

1203213231112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10630 (or 10626 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 1203213231112 its reverse (2111323123021), we get a palindrome (3314536354133).

The spelling of 1203213231112 in words is "one trillion, two hundred three billion, two hundred thirteen million, two hundred thirty-one thousand, one hundred twelve".

Divisors: 1 2 4 8 23 46 92 184 569 1138 1319 2276 2638 4552 5276 8713 10552 13087 17426 26174 30337 34852 52348 60674 69704 104696 121348 200399 242696 400798 750511 801596 1501022 1603192 3002044 4957697 6004088 9915394 11492447 17261753 19830788 22984894 34523506 39661576 45969788 69047012 91939576 114027031 138094024 228054062 264326281 456108124 528652562 912216248 1057305124 2114610248 6539202343 13078404686 26156809372 52313618744 150401653889 300803307778 601606615556 1203213231112