Search a number
-
+
12103312521120 = 2535191936876257
BaseRepresentation
bin1011000000100000010110…
…1001001011011110100000
31120212001202122210221202120
42300020011221023132200
53041300041001133440
641424103543544240
72356302236653002
oct260100551133640
946761678727676
1012103312521120
113946a93427067
121435852a5b080
1369a4505768a2
142dbb36958372
1515ec7cd82dd0
hexb0205a4b7a0

12103312521120 has 192 divisors, whose sum is σ = 40339980132480. Its totient is φ = 3041835614208.

The previous prime is 12103312521043. The next prime is 12103312521149. The reversal of 12103312521120 is 2112521330121.

It is a Harshad number since it is a multiple of its sum of digits (24).

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 31 ways as a sum of consecutive naturals, for example, 1677969 + ... + 5198288.

It is an arithmetic number, because the mean of its divisors is an integer number (210104063190).

Almost surely, 212103312521120 is an apocalyptic number.

12103312521120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12103312521120 is an abundant number, since it is smaller than the sum of its proper divisors (28236667611360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12103312521120 is a wasteful number, since it uses less digits than its factorization.

12103312521120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6876487 (or 6876479 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

Adding to 12103312521120 its reverse (2112521330121), we get a palindrome (14215833851241).

The spelling of 12103312521120 in words is "twelve trillion, one hundred three billion, three hundred twelve million, five hundred twenty-one thousand, one hundred twenty".