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12120120120011 = 12795434016693
BaseRepresentation
bin1011000001011110111101…
…1101000101001011001011
31120220200011000021102222012
42300113233131011023023
53042034001222320021
641435523433050135
72360435606126021
oct260275735051313
946820130242865
1012120120120011
113953128922962
121438b6385694b
1369bbcb743687
142dc88cc72711
1516041370235b
hexb05ef7452cb

12120120120011 has 4 divisors (see below), whose sum is σ = 12215554136832. Its totient is φ = 12024686103192.

The previous prime is 12120120119977. The next prime is 12120120120049. The reversal of 12120120120011 is 11002102102121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12120120120011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12120120120091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47717008220 + ... + 47717008473.

It is an arithmetic number, because the mean of its divisors is an integer number (3053888534208).

Almost surely, 212120120120011 is an apocalyptic number.

12120120120011 is a deficient number, since it is larger than the sum of its proper divisors (95434016821).

12120120120011 is an equidigital number, since it uses as much as digits as its factorization.

12120120120011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95434016820.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12120120120011 its reverse (11002102102121), we get a palindrome (23122222222132).

The spelling of 12120120120011 in words is "twelve trillion, one hundred twenty billion, one hundred twenty million, one hundred twenty thousand, eleven".

Divisors: 1 127 95434016693 12120120120011