Search a number
-
+
12122012022 = 2311511755287
BaseRepresentation
bin10110100101000011…
…10011100101110110
31011021210201000101020
423102201303211312
5144311213341042
65322504442010
7606252254631
oct132241634566
934253630336
1012122012022
11516061805a
122423779306
1311b25144a3
1482dcdcc18
154ae3223ec
hex2d2873976

12122012022 has 16 divisors (see below), whose sum is σ = 24265101312. Its totient is φ = 4037157800.

The previous prime is 12122012009. The next prime is 12122012041. The reversal of 12122012022 is 22021022121.

It is a junction number, because it is equal to n+sod(n) for n = 12122011992 and 12122012010.

It is a congruent number.

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, 870738 + ... + 884549.

It is an arithmetic number, because the mean of its divisors is an integer number (1516568832).

Almost surely, 212122012022 is an apocalyptic number.

12122012022 is an abundant number, since it is smaller than the sum of its proper divisors (12143089290).

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

12122012022 is a wasteful number, since it uses less digits than its factorization.

12122012022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1756443.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 12122012022 its reverse (22021022121), we get a palindrome (34143034143).

The spelling of 12122012022 in words is "twelve billion, one hundred twenty-two million, twelve thousand, twenty-two".

Divisors: 1 2 3 6 1151 2302 3453 6906 1755287 3510574 5265861 10531722 2020335337 4040670674 6061006011 12122012022