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12121230301111 = 291313190637089
BaseRepresentation
bin1011000001100011000110…
…1000000101011110110111
31120220210000101021111010201
42300120301220011132313
53042043234424113421
641440225532101331
72360505246404431
oct260306150053667
946823011244121
1012121230301111
1139536485613a8
121439213604847
1369c04774a479
142dc9564a1651
1516047ade9b91
hexb0631a057b7

12121230301111 has 8 divisors (see below), whose sum is σ = 12634922876400. Its totient is φ = 11613919000320.

The previous prime is 12121230301069. The next prime is 12121230301183. The reversal of 12121230301111 is 11110303212121.

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 12121230301111 - 241 = 9922207045559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12121230601111) 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, 1595314746 + ... + 1595322343.

It is an arithmetic number, because the mean of its divisors is an integer number (1579365359550).

Almost surely, 212121230301111 is an apocalyptic number.

12121230301111 is a deficient number, since it is larger than the sum of its proper divisors (513692575289).

12121230301111 is a wasteful number, since it uses less digits than its factorization.

12121230301111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3190637249.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 12121230301111 its reverse (11110303212121), we get a palindrome (23231533513232).

The spelling of 12121230301111 in words is "twelve trillion, one hundred twenty-one billion, two hundred thirty million, three hundred one thousand, one hundred eleven".

Divisors: 1 29 131 3799 3190637089 92528475581 417973458659 12121230301111