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12111101002212 = 2231009258416851
BaseRepresentation
bin1011000000111101010111…
…0111111000000111100100
31120212210212110012210021020
42300033111313320013210
53041412013324032322
641431432450051140
72356666241651652
oct260172567700744
946783773183236
1012111101002212
11394a31a8641a3
121437267279ab0
1369b0c202b694
142dc2750c1dd2
151600869eb05c
hexb03d5df81e4

12111101002212 has 12 divisors (see below), whose sum is σ = 28259235671856. Its totient is φ = 4037033667400.

The previous prime is 12111101002207. The next prime is 12111101002223. The reversal of 12111101002212 is 21220010111121.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 12111101002191 and 12111101002200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 504629208414 + ... + 504629208437.

It is an arithmetic number, because the mean of its divisors is an integer number (2354936305988).

Almost surely, 212111101002212 is an apocalyptic number.

12111101002212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12111101002212 is an abundant number, since it is smaller than the sum of its proper divisors (16148134669644).

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

12111101002212 is a wasteful number, since it uses less digits than its factorization.

12111101002212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009258416858 (or 1009258416856 counting only the distinct ones).

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

Adding to 12111101002212 its reverse (21220010111121), we get a palindrome (33331111113333).

The spelling of 12111101002212 in words is "twelve trillion, one hundred eleven billion, one hundred one million, two thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 1009258416851 2018516833702 3027775250553 4037033667404 6055550501106 12111101002212