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12110012021112 = 2331953125835023
BaseRepresentation
bin1011000000111001010011…
…1101101111100101111000
31120212201001120002211000220
42300032110331233211320
53041402301034133422
641431132425300040
72356630246530645
oct260162475574570
946781046084026
1012110012021112
113949911095615
121437002634620
1369ac7a538275
142dc1b0610dcc
151600210dee5c
hexb0394f6f978

12110012021112 has 32 divisors (see below), whose sum is σ = 30276581326080. Its totient is φ = 4036463837280.

The previous prime is 12110012021059. The next prime is 12110012021113. The reversal of 12110012021112 is 21112021001121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12110012021091 and 12110012021100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12110012021113) 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, 12448768 + ... + 13386255.

It is an arithmetic number, because the mean of its divisors is an integer number (946143166440).

Almost surely, 212110012021112 is an apocalyptic number.

12110012021112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12110012021112 is an abundant number, since it is smaller than the sum of its proper divisors (18166569304968).

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

12110012021112 is a wasteful number, since it uses less digits than its factorization.

12110012021112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25854563 (or 25854559 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 12110012021112 its reverse (21112021001121), we get a palindrome (33222033022233).

The spelling of 12110012021112 in words is "twelve trillion, one hundred ten billion, twelve million, twenty-one thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 19531 39062 58593 78124 117186 156248 234372 468744 25835023 51670046 77505069 103340092 155010138 206680184 310020276 620040552 504583834213 1009167668426 1513751502639 2018335336852 3027503005278 4036670673704 6055006010556 12110012021112