Search a number
-
+
12012332403 = 38944990009
BaseRepresentation
bin10110010111111110…
…11010010101110011
31011000011022201020010
423023333122111303
5144100124114103
65303545550003
7603451066161
oct131377322563
934004281203
1012012332403
115104715145
1223b2aa5303
131195891bc6
1481d50c231
154a48a9903
hex2cbfda573

12012332403 has 8 divisors (see below), whose sum is σ = 16196403600. Its totient is φ = 7918241408.

The previous prime is 12012332377. The next prime is 12012332407. The reversal of 12012332403 is 30423321021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12012332403 - 225 = 11978777971 is a prime.

It is a super-2 number, since 2×120123324032 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12012332403.

It is not an unprimeable number, because it can be changed into a prime (12012332407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22494738 + ... + 22495271.

It is an arithmetic number, because the mean of its divisors is an integer number (2024550450).

Almost surely, 212012332403 is an apocalyptic number.

12012332403 is a deficient number, since it is larger than the sum of its proper divisors (4184071197).

12012332403 is an equidigital number, since it uses as much as digits as its factorization.

12012332403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44990101.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 12012332403 its reverse (30423321021), we get a palindrome (42435653424).

The spelling of 12012332403 in words is "twelve billion, twelve million, three hundred thirty-two thousand, four hundred three".

Divisors: 1 3 89 267 44990009 134970027 4004110801 12012332403