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112111101001212 = 22385710901507293
BaseRepresentation
bin11001011111011011100110…
…010110011011110111111100
3112200221201100101112021011220
4121133123212112123313330
5104143312013324014322
61034235043452513340
732420521411121265
oct3137334626336774
9480851311467156
10112111101001212
11327a406186a645
12106a7a70a7b850
134a73054174021
141d982c5cd396c
15ce64012ba55c
hex65f6e659bdfc

112111101001212 has 24 divisors (see below), whose sum is σ = 261897811231056. Its totient is φ = 37326760967808.

The previous prime is 112111101001189. The next prime is 112111101001243. The reversal of 112111101001212 is 212100101111211.

It is a junction number, because it is equal to n+sod(n) for n = 112111101001191 and 112111101001200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5450743363 + ... + 5450763930.

It is an arithmetic number, because the mean of its divisors is an integer number (10912408801294).

Almost surely, 2112111101001212 is an apocalyptic number.

112111101001212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

112111101001212 is an abundant number, since it is smaller than the sum of its proper divisors (149786710229844).

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

112111101001212 is a wasteful number, since it uses less digits than its factorization.

112111101001212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10901508157 (or 10901508155 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 112111101001212 its reverse (212100101111211), we get a palindrome (324211202112423).

The spelling of 112111101001212 in words is "one hundred twelve trillion, one hundred eleven billion, one hundred one million, one thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 857 1714 2571 3428 5142 10284 10901507293 21803014586 32704521879 43606029172 65409043758 130818087516 9342591750101 18685183500202 28027775250303 37370367000404 56055550500606 112111101001212