Search a number
-
+
12100011212 = 2223179734759
BaseRepresentation
bin10110100010011011…
…11000010011001100
31011020021022020221102
423101031320103030
5144240100324322
65320401122232
7605564253422
oct132115702314
934207266842
1012100011212
11514a160573
122418329378
1311aaab0463
1482b013112
154ac428792
hex2d13784cc

12100011212 has 24 divisors (see below), whose sum is σ = 22219142400. Its totient is φ = 5754624656.

The previous prime is 12100011181. The next prime is 12100011263. The reversal of 12100011212 is 21211000121.

It is a junction number, because it is equal to n+sod(n) for n = 12100011193 and 12100011202.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 350912 + ... + 383847.

It is an arithmetic number, because the mean of its divisors is an integer number (925797600).

Almost surely, 212100011212 is an apocalyptic number.

It is an amenable number.

12100011212 is a deficient number, since it is larger than the sum of its proper divisors (10119131188).

12100011212 is a wasteful number, since it uses less digits than its factorization.

12100011212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734965 (or 734963 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12100011212 its reverse (21211000121), we get a palindrome (33311011333).

The spelling of 12100011212 in words is "twelve billion, one hundred million, eleven thousand, two hundred twelve".

Divisors: 1 2 4 23 46 92 179 358 716 4117 8234 16468 734759 1469518 2939036 16899457 33798914 67597828 131521861 263043722 526087444 3025002803 6050005606 12100011212