Search a number
-
+
212110120102212 = 2236463657123909
BaseRepresentation
bin110000001110100110111100…
…010111001010100101000100
31000211000112021222002222000000
4300032212330113022211010
5210300203011221232322
62031042013255321300
762451310336625643
oct6016467427124504
91024015258088000
10212110120102212
1161648440109892
121b958442080230
139147b8b009c57
143a5428272b35a
15197c70e8cd3ac
hexc0e9bc5ca944

212110120102212 has 168 divisors, whose sum is σ = 557844702737280. Its totient is φ = 70536979275840.

The previous prime is 212110120102183. The next prime is 212110120102271. The reversal of 212110120102212 is 212201021011212.

212110120102212 is a `hidden beast` number, since 21 + 211 + 0 + 120 + 102 + 212 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 8871547714 + ... + 8871571622.

It is an arithmetic number, because the mean of its divisors is an integer number (3320504182960).

Almost surely, 2212110120102212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212110120102212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (278922351368640).

212110120102212 is an abundant number, since it is smaller than the sum of its proper divisors (345734582635068).

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

212110120102212 is a wasteful number, since it uses less digits than its factorization.

212110120102212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30965 (or 30948 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 212110120102212 its reverse (212201021011212), we get a palindrome (424311141113424).

The spelling of 212110120102212 in words is "two hundred twelve trillion, one hundred ten billion, one hundred twenty million, one hundred two thousand, two hundred twelve".