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12013030331112 = 2332651318879151
BaseRepresentation
bin1010111011010000000001…
…1001111101001011101000
31120112102201201221111201110
42232310000121331023220
53033310141231043422
641314413203150320
72346625043005026
oct256640031751350
946472651844643
1012013030331112
113911774496498
1214202576753a0
13691a93151195
142d76103a1716
1515c746d6460c
hexaed0067d2e8

12013030331112 has 32 divisors (see below), whose sum is σ = 30033710167680. Its totient is φ = 4004192198400.

The previous prime is 12013030331077. The next prime is 12013030331231. The reversal of 12013030331112 is 21113303031021.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8803264 + ... + 10075887.

It is an arithmetic number, because the mean of its divisors is an integer number (938553442740).

Almost surely, 212013030331112 is an apocalyptic number.

12013030331112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12013030331112 is an abundant number, since it is smaller than the sum of its proper divisors (18020679836568).

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

12013030331112 is a wasteful number, since it uses less digits than its factorization.

12013030331112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18905673 (or 18905669 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 12013030331112 its reverse (21113303031021), we get a palindrome (33126333362133).

The spelling of 12013030331112 in words is "twelve trillion, thirteen billion, thirty million, three hundred thirty-one thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 26513 53026 79539 106052 159078 212104 318156 636312 18879151 37758302 56637453 75516604 113274906 151033208 226549812 453099624 500542930463 1001085860926 1501628791389 2002171721852 3003257582778 4004343443704 6006515165556 12013030331112